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Keyhole saw

A keyhole saw is a specialized hand tool consisting of a narrow, tapered blade with a pointed tip and a sturdy handle, typically used for making precise, curved cuts or small holes in materials like wood, drywall, plaster, and soft metals.^[1] The blade, often 5 to 15 inches long with 5 to 20 teeth per inch, allows for maneuverability in tight spaces, and modern versions may feature interchangeable blades for versatility.^[1] Also known as a pad saw, compass saw, jab saw, or drywall saw, it derives its name from its original purpose of cutting keyholes in doors and furniture.^[2] The term "keyhole saw" first appeared in English in the mid-18th century, with the earliest recorded use dating to 1761.^[3] It evolved from earlier small woodworking saws, such as compass saws, which were used for enlarging drilled holes or creating detailed curves, and by the 19th century, it was commonly employed by carpenters for notching, fitting, and trimming in confined areas.^[4] In 1877, toolmaker Henry Disston patented a combination keyhole saw and pad design, featuring a fixed or adjustable blade slotted into a pad-style handle, which improved control and blade exposure for various tasks.^[4] British variants, often called pad saws, emphasized adjustable blades secured by set screws, reflecting regional adaptations in woodworking practices during the industrial era.^[4] Keyhole saws are essential in construction and woodworking for tasks requiring accuracy, such as installing electrical outlets by cutting drywall around boxes or shaping plaster and wood components.^[5] They excel in plunge cuts, where the pointed tip can pierce the material directly or after a starter hole is drilled, depending on the material, and are favored for their portability and low cost compared to power tools.^[1] Common types include carbon steel blades for general drywall and woodwork, high-speed steel for denser materials, bi-metal for tough jobs involving nails, and serrated edges for abrasive surfaces like plaster.^[5] While effective, users must employ sharp blades and steady pressure to avoid binding or breakage, and the tool's design prioritizes safety through ergonomic handles.^[1]

History

Origins

The keyhole saw emerged as a specialized hand tool in the 18th century, primarily designed for precise cutting in confined spaces within woodworking and joinery tasks. Its name derives from its initial primary function: enlarging small drilled holes to create keyholes in doors, furniture, and cabinetry, allowing for accurate shaping without damaging surrounding material. The earliest documented use of the term "keyhole saw" appears in 1761, marking its formal recognition in English-language tool nomenclature.^[3]^[2] While the conceptual roots of hand saws trace back to Neolithic times, when early humans fashioned rudimentary cutting tools from stone, bone, and flint for basic woodworking, the keyhole saw's specific narrow-blade configuration evolved distinctly in 18th-century Europe. This design addressed the need for fine, controlled cuts in tight areas, building on earlier European joinery traditions that favored slim, tapered blades for intricate work. Unlike broader panel saws, the keyhole saw's pointed tip enabled starting cuts inside holes or notches, reflecting advancements in craftsmanship during the period's furniture-making boom.^[6]^[4] Early examples of keyhole saws appear in British and American tool inventories and auctions from the late 1700s, often listed alongside compass and pad saws for notching, fitting, and detailed joinery before the advent of power tools. These tools, typically featuring iron blades with wooden handles, were essential for carpenters working in compact spaces, such as installing locks or decorative elements in colonial architecture. Surviving artifacts, including a circa-18th-century specimen with a 9.25-inch iron blade and stained wooden handle, underscore their practical role in pre-industrial woodworking.^[7]^[8]

Development and naming

During the 19th century, the keyhole saw evolved with refinements that distinguished it from the broader compass saw, particularly through the adoption of narrower blades with reduced taper, allowing for greater precision and maneuverability in confined woodworking spaces. These enhancements became evident in tool inventories and patents from the 1840s to the 1870s, as craftsmen sought tools better suited for detailed interior cuts in wood. For instance, patents like U.S. Patent 194,659 issued in 1877 to Henry Disston and John H. Vandegraft detailed improvements in handles specifically for keyhole saws, reflecting ongoing efforts to optimize the tool's design for practical use.^[4]^[9]^[8] By the mid-1800s, regional naming variations emerged, with British toolmakers referring to the keyhole saw as a "pad saw," a term inspired by the blade's flat, pad-like insertion into the handle for secure attachment. This nomenclature appeared in catalogs from established firms like William Marples & Sons, highlighting the tool's adaptability for curved and angular cuts in joinery and cabinetry. The dual naming conventions—keyhole saw in American contexts and pad saw in British ones—persisted into the late 19th century, underscoring subtle differences in design emphasis across transatlantic woodworking traditions.^[10]^[4] In the 20th century, key innovations focused on blade retention and versatility, exemplified by U.S. Patent 2,916,066 granted to Charles L. Morse in 1959 for a keyhole saw handle featuring a novel slot mechanism that securely locked the blade in place, reducing slippage during use. This design addressed common durability issues in earlier models and influenced subsequent commercial productions. A notable modern evolution came with Allway Tools' Handy Saw, which traces its origins to a four-way keyhole saw configuration developed by Louis Gringer in the mid-20th century; in 2023, the company documented this progression from a basement invention to a widely distributed tool capable of mounting blades in multiple positions for enhanced flexibility.^[11]^[12]

Design and features

Blade

The blade of a keyhole saw is typically 8 to 14 inches long, narrow and rectangular in profile, measuring about 1/4 to 1/2 inch wide at the base before tapering gradually to a fine, pointed tip that enables jab-starting cuts directly into material without the need for pre-drilling a pilot hole.^[1]^[13] This tapered configuration, narrower toward the end, minimizes binding during curved or irregular cuts by allowing the blade to pivot and rotate within the kerf, facilitating precise work in confined spaces like slots or circles.^[14]^[15] Tooth configurations vary by intended material, with coarser setups of 8 to 12 teeth per inch suited for general wood cutting to provide faster removal of material while maintaining control.^[16] Finer teeth, often 16 to 24 per inch, are used for denser substances like metal or plastic, enabling smoother finishes and reduced tear-out on delicate edges.^[16]^[17] Most blades feature a single-cut edge for unidirectional efficiency, though some incorporate double-cut patterns on both sides for versatility in push-pull strokes.^[18] Blades are commonly constructed from high-carbon steel for its balance of hardness and flexibility, often impulse-hardened for edge retention during repeated use.^[19] Bi-metal construction, combining a flexible carbon steel body with high-speed steel teeth alloyed with cobalt, enhances durability and heat resistance, particularly for cutting through embedded nails or abrasive plastics without dulling.^[20]^[21] The blade secures to the handle via a pinned or slotted tang, ensuring stability under lateral forces common in precision contouring.

Handle and ergonomics

The handles of keyhole saws are primarily designed for precise, one-handed operation in confined spaces, with the pistol-grip style being the most common configuration to facilitate control during intricate cuts.^[16] This ergonomic pistol grip allows users to maintain a firm hold while maneuvering the pointed blade tip into starting holes, enhancing accuracy in tasks like drywall installation or woodworking.^[22] Less frequently, straight D-handles appear in some models, providing two-handed leverage for added stability when cutting thicker materials, though these are more typical in related compass saw variants.^[23] Handle materials vary to balance durability, weight, and user comfort, commonly including molded plastic such as ABS for affordability and impact resistance, or natural woods like beech or red oak for a premium, vibration-dampening feel.^[24] Ergonomic enhancements focus on preventing slippage and fatigue, featuring textured or rubberized surfaces on the grip for secure handling even in damp conditions, as seen in non-slip designs that conform to the hand's natural shape.^[22] Additionally, blade-securing mechanisms, such as adjustable screws or quick-release clamps, are integrated into the handle to enable easy replacement of worn blades without tools, promoting longevity and adaptability to different cutting needs.^[25] To support extended use in detailed work, keyhole saw handles emphasize lightweight construction, typically weighing under 1 pound overall, with balanced weight distribution that positions the center of gravity near the user's hand for reduced strain.^[22] For instance, models like the Greenlee 301A achieve this through an integrated blade-and-handle assembly, weighing just 0.27 pounds, which minimizes arm fatigue during prolonged sessions of precise hole-cutting or contouring.^[22] This design philosophy ensures the tool remains agile without compromising control, making it suitable for professional and DIY applications alike.^[23]

Applications

In construction

The keyhole saw plays a vital role in construction and renovation projects, particularly for creating access holes in drywall or plaster walls and ceilings. It is commonly employed to cut precise openings for installing electrical outlets, light switches, plumbing pipes, and HVAC vents or ductwork. The tool's pointed blade tip allows users to initiate cuts by jabbing into the material, often after a small starter hole is drilled depending on the material, enabling efficient work in confined spaces during rough-in phases.^[5]^[26] In precision applications, the keyhole saw excels at trimming around fixtures, such as outlet boxes or recessed lights, and removing small damaged sections of drywall while preserving surrounding structural elements like studs. This makes it indispensable in both demolition and installation stages of building projects, where minimal disruption to intact surfaces is essential. For instance, during electrical or plumbing retrofits, it allows for targeted cuts that avoid unnecessary enlargement of holes for secure fixture mounting.^[5] The saw is effective on materials like gypsum board, softwoods, and composites with thicknesses up to 1/2 inch, which aligns with standard drywall dimensions in residential construction. Blades with coarser teeth handle gypsum and softwoods well for faster cuts, while finer-toothed variants are adapted for smoother finishes on laminates or thin composites to prevent chipping. Related short-blade variants, such as jab saws, offer similar functionality for even tighter access in drywall tasks.^[5]^[26]

In woodworking

In fine woodworking, the keyhole saw excels at tasks requiring precision in confined spaces, such as cutting precise joinery elements in tight spaces, where its narrow blade allows access to confined areas without damaging adjacent surfaces.^[27] It is also employed for enlarging holes for hardware installation, such as sockets for knobs or hinges in cabinet doors, starting from a pilot hole to achieve the desired shape with minimal material removal.^[4] Additionally, the tool facilitates cutting irregular curves in furniture components, like the contoured splats of chair backs or decorative insets in cabinetry, enabling woodworkers to follow freehand or templated lines for aesthetic detailing.^[28] Techniques for using the keyhole saw in woodworking emphasize stability and refinement; the workpiece is typically secured in a bench vise or clamped to a workbench to prevent shifting during the piercing start and subsequent cuts, ensuring clean lines in hardwoods like oak or mahogany.^[25] The saw's narrow kerf, often less than 1/16 inch, produces minimal waste and reduces tear-out in dense woods, preserving grain integrity for subsequent finishing.^[4] Cuts are frequently followed by chisel work to pare away any irregularities, refining joints for a tight fit.^[27] Historically, the keyhole saw played a vital role in 19th-century woodworking practices for joinery, particularly in notching and trimming in tight spaces, as documented in period tool inventories and guides that highlight its use alongside tenon saws for intricate furniture construction.^[27] Vintage tool catalogs from the era, such as those from early 19th-century makers, describe it as essential for enlarging holes and creating precise notches in hardwoods, supporting the detailed work of cabinetmakers and chairwrights.^[4] This application underscores its enduring value in traditional joinery, where access to confined areas was critical for achieving seamless fits without powered tools.^[28]

Compass saw

While the terms "compass saw" and "keyhole saw" are sometimes used interchangeably, the compass saw is typically distinguished by its longer blade and enclosed pistol-grip handle, serving as a close relative to the keyhole saw and sharing a narrow blade design.^[29]^[4] Typically featuring a blade length of 10 to 18 inches that tapers gradually from about 1-1/4 inches wide at the handle end to roughly 1/4 inch at the pointed tip, the compass saw's blade is more aggressively tapered than that of the keyhole saw, allowing for greater rigidity along its length.^[4]^[30] The handle, often resembling the shape of a drawing compass with its enclosed pistol-grip form, originated in 18th-century European designs, particularly Dutch influences, to facilitate precise maneuvering in circular paths.^[8]^[31] This configuration, with teeth typically set at 7 to 10 per inch for crosscutting wood, enables smooth, sweeping motions while maintaining stability.^[4]^[32] Primarily applied in woodworking for executing larger curves or arcs in wood panels, the compass saw excels at tasks such as shaping patterns, templates, or irregular outlines where a straight saw proves impractical.^[29]^[30] Its origins trace to 18th-century tool traditions, evolving alongside compass-and-straightedge methods in carpentry to support geometric constructions in wood, with early records dating to the late 17th century.^[33]^[4] Unlike broader panel saws, its pointed blade allows insertion through small holes or kerfs to initiate cuts in confined areas, making it suitable for interior shaping within larger workpieces.^[34]^[31] Compared to the keyhole saw, the compass saw offers superior stability for extended sweeping cuts due to its relatively wider blade with a more pronounced taper, which reduces flexing during prolonged use.^[4]^[30] However, this design renders it less ideal for jab-starting in extremely tight or inaccessible spots, where the keyhole saw's sharper taper and narrower form provide better penetration.^[34]^[35] The tool's enduring design underscores its role as a versatile intermediate option in the narrow-blade saw family, bridging finer detail work and broader contouring.^[8]

Jab saw and drywall saw

The jab saw, also known as a pad saw, is a compact variant of the keyhole saw designed primarily for puncturing and cutting drywall or other sheet materials in tight spaces.^[36] It typically features a short blade, around 6 inches (15 cm) in length, made of hardened carbon steel with aggressive, coarse teeth set at 6 to 8 per inch to enable fast material removal during push strokes.^[36]^[37] The blade ends in a sharp, beveled point optimized for stabbing directly into surfaces without a pilot hole, facilitating plunge cuts for outlets, switches, or irregular openings.^[36] Its pistol-grip or flat-end handle, often constructed from durable plastic or wood, provides enhanced control and leverage for one-handed push cutting, reducing fatigue during repetitive tasks in construction.^[37]^[36] The drywall saw shares many similarities with the jab saw but is generally adapted for slightly cleaner or more controlled cuts in gypsum board.^[38] It often employs a comparable short blade length of about 6 inches with coarse teeth (around 6 to 8 per inch) to enable fast cuts while minimizing excessive tearing on finished surfaces.^[39] Like the jab saw, it includes a pointed tip for easy entry into drywall, paired with an ergonomic handle for precise maneuvering.^[40] Certain drywall saw designs integrate measurement markings along the blade to aid in sizing cuts for electrical boxes or fixtures, streamlining on-site adjustments.^[40] These tools gained prominence during the mid-20th-century housing and construction booms, when rapid drywall installation became widespread in residential and commercial building.^[41] Brands like Allway popularized specialized versions in the 1930s, introducing the All-Way Handy Saw with innovative multi-angle blade mounting for versatile drywall modifications, evolving from earlier keyhole designs to meet the demands of quick wall alterations.^[42] By the 1950s and 1960s, refinements such as interchangeable blades and improved grips further entrenched jab and drywall saws as essential tools for electricians, plumbers, and finish carpenters handling frequent punctures and trims.^[42]

Maintenance and safety

Care and sharpening

Proper care of a keyhole saw involves regular cleaning to remove debris and prevent buildup that can dull the blade or cause corrosion. After each use, wipe the blade with a cloth to remove loose sawdust, then soak it in a specialized saw blade cleaning solution or a mild solvent like mineral spirits for 15-20 minutes to dissolve resin and pitch. Scrub the teeth and gullets gently with a brass or stainless-steel brush, repeating the soak if necessary for stubborn residue, and finish by rubbing sawdust across the blade in the direction opposite the teeth to polish it. Always dry the blade thoroughly with a low-lint cloth to avoid moisture-induced rust on the steel, and apply a light coat of blade lubricant or oil before storage in a dry, elevated location.^[43] Sharpening a keyhole saw restores its cutting efficiency and should be done when teeth feel dull or skip during cuts. Use a triangular (three-square) file with 60-degree angles, filing each tooth individually by inserting the file into the gullet and pushing forward at a 60-degree angle to the blade length for crosscut teeth, which are standard on most keyhole saws; alternate filing every other tooth from opposite sides to maintain balance. Aim for 3-4 even strokes per tooth to create a sharp, uniform edge without removing excessive material. To preserve the tooth set—the alternating bend that clears sawdust—measure the offset at 0.010-0.015 inches per side using calipers, and adjust by lightly tapping every other tooth with a hammer and nail punch or a dedicated saw set tool if the kerf becomes too narrow; if the blade is excessively worn or bent, replacement is recommended over repair.^[44]^[45]^[46] The handle requires periodic inspection and minor adjustments to ensure secure attachment and safe handling. For handles secured by screws or bolts, tighten them gently with a screwdriver every few uses to prevent loosening from vibration, taking care not to overtighten and strip the wood or plastic; if the handle detaches, clean the mounting holes and resecure with appropriate hardware. Regularly check for cracks or splits in wood or plastic handles, which can develop from impacts or dryness—treat wood handles with linseed oil to maintain flexibility and seal the grain, and replace any compromised handle immediately to avoid breakage during use.^[47]^[48]

Usage precautions

When using a keyhole saw, operators must prioritize personal protective equipment (PPE) to mitigate risks from flying debris, sharp edges, and airborne particles. Safety glasses or goggles are essential to shield eyes from sawdust and potential splinters generated during cuts.^[49] Work gloves provide hand protection against lacerations, though some experienced users may forgo them for improved grip control.^[49] A dust mask or respirator is particularly recommended when cutting drywall, as the process can release respirable crystalline silica dust, which poses health risks including lung disease if inhaled over time.^[50] To ensure safe operation, secure the workpiece firmly using clamps or a vise to prevent movement and reduce the chance of blade binding or slips.^[49] Begin cuts slowly by positioning the thumb against the blade for initial guidance, especially with the pointed tip, and apply pressure only on the downstroke to maintain control.^[51] Avoid forcing the saw through the material; instead, allow it to cut at its natural pace to prevent binding, which can cause the blade to jump or veer unexpectedly.^[52] Always verify the workpiece for embedded nails or screws before starting, as they can damage the blade and lead to loss of control.^[51] Keyhole saws present specific hazards that require vigilance to avoid injury. The pointed blade tip increases the risk of puncture wounds if mishandled during hole starting or maneuvering in tight spaces.^[51] Dull teeth heighten the danger of lacerations, as they may slip across the surface rather than cutting cleanly, so inspect and replace blades as needed.^[52] Maintain a clear, well-lit workspace free of clutter to minimize tripping or slipping hazards that could result in accidental contact with the blade.^[49]

References

[1]
Keyhole Saw | HowStuffWorks
Mar 14, 2007 · A keyhole saw, or compass saw, has a small pointed blade and a wood or plastic handle. It is useful for cutting holes in softer woods or in drywall.Missing: history | Show results with:history
[2]
KEYHOLE SAW definition in American English - Collins Dictionary
keyhole saw in American English Origin: from being used to cut out keyholes and other small shapes. a handsaw with a narrow, tapering blade for cutting small ...Missing: history | Show results with:history
[3]
keyhole saw, n. meanings, etymology and more
Earliest known use. mid 1700s. The earliest known use of the noun keyhole saw is in the mid 1700s. OED's earliest evidence for keyhole saw is from 1761.
[4]
Early Small Woodworking Saws - CRAFTS of NJ
In concept the keyhole saw is used to enlarge a drilled hole, such as a keyhole, the same as with many compass saw tasks. The British pad saw (second saw in ...
[5]
Keyhole Saw Definition in Construction: A Comprehensive Guide
Dec 28, 2024 · A keyhole saw, also known as a drywall saw, is a small, hand-held saw designed for making precise cuts in drywall, plaster, wood, and sometimes plastic or ...
[6]
Hand Saws: A Primitive Tool on the Cutting Edge
Sep 4, 2018 · Its use dates back to the Neolithic or later Stone Age (before the discovery of metals), when only the crudest of implements were constructed, ...
[7]
Sold at Auction: 18TH CENTURY KEYHOLE SAW
### Summary of 18th Century Keyhole Saw
[8]
The Project Gutenberg eBook of Woodworking Tools, 1600–1900 ...
This history of woodworking hand tools from the 17th to the 20th century is one of a very gradual evolution of tools through generations of craftsmen.
[9]
US194659A - Improvement in saw-handles - Google Patents
Be it known that we, HENRY DISSTON and JOHN H. VANDEGRIFT, 0f Philadelphia, Pennsylvania, have invented certain Impr0vexnents in Handles for KeyHole Saws, of ...Missing: century refinements 1840-1870
[10]
Pad Saws - William Marples and Sons, Ltd.
PAD SAWS: It is amazing to see just how many different types of Brass 'Ferrules' were designed and used on the MARPLES Pad Saws over time.
[11]
US2916066A - Keyhole saw - Google Patents
United States Patent KEYHOLE SAW Charles L. Morse, South Dartmouth, Mass. Application March 3, 1958, Serial No. 718,869. 2 Claims. (Cl. 145--31) This ...Missing: 2916066A | Show results with:2916066A
[12]
The Untold Narrative of Allway's Handy Saw's Evolution from Local ...
May 18, 2023 · Louis Gringer then designed a four-way keyhole saw called the All-Way Handy Saw and began manufacturing them from his basement.
[13]
https://www.dictum.com/en/keyhole-saw-120/712614
[14]
Specialty saws, cutting curves - The Valley Woodworker
Jun 22, 2015 · That same tapering is what allows you to make curves. The wider the blade the longer the radius of the cut and vice versa. You would think that ...
[15]
Red Devil 2757 Keyhole Saw - Handsaws - Amazon.com
Product Dimensions, ‎1"L x 1"W x 1"H ; Warranty Type, ‎limited warranty ; Blade Length, ‎6 Inches ; Number of Teeth, ‎14 ; Blade Shape, ‎Rectangular.Missing: configuration construction
[16]
4-Way Keyhole Saw - STANLEY® Tools
Specifications ; Number Of Pieces. 6 ; Product Height [in]. 0.01 ; Product Length [in]. 0.01 ; Product Weight [lbs]. 0.01 ; Product Width [in]. 0.01.
[17]
https://www.leevalley.com/en-ca/shop/tools/hand-tools/saws/keyhole/69817-modern-keyhole-saw
[18]
Japanese Keyhole Saw 4" Coarse Teeth - Made in Japan
This Japanese keyhole saw has a single-edged, interchangeable blade, coarse teeth for curved cuts, a red oak handle, and is made in Japan. It cuts on the pull ...
[19]
https://kakuritools.com/products/gikoh-spare-blade-type-folding-saw-130mm-keyhole-saw
[20]
Bi-metal keyhole saws - Metabo
Keyhole saws made of bi-metal with hardened cobalt teeth. Quicker chip removal using a new kind of teeth with irregular tooth shape and division; ...
[21]
Malco 12KH7 Keyhole Profile Wood Cutting High Carbon Steel ...
Used for rough-in mild contours in nail free wood; 12-inch length x 3/4-inch width x .049-inch thickness; 6 teeth per inch; Alternate tooth set with a ...
[22]
US1240173A - Keyhole-saw. - Google Patents
B23D49/11 Hand-held or hand-operated sawing devices with straight saw blades for special purposes, e.g. offset-blade hand; Hand saws having spaced blades; ...
[23]
6" Keyhole Saw - Greenlee
Integrated blade and handle design provides maximum strength · Ergonomic handle with non-slip grip · Hardened steel blade with clog-free teeth · Pointed tip easily ...
[24]
Keyhole saw with certified wooden handle / 4572 - Bellota
Cutting type, Coarse, Coarse ; Blade coating, Varnished, Varnished ; Blade material, Steel, Steel ; Dimensiones, 105 x 415 x 20 mm, 105 x 455 x 25 mm ; Peso, 0.17 ...<|separator|>
[25]
https://kakuritools.com/products/hand-saw-red-oak-handle-keyhole-saw-100mm
[26]
https://www.protoolreviews.com/best-tools-cutting-drywall/
[27]
7 Best Tools for Cutting Drywall and 2 to Avoid
Jul 7, 2023 · Use this tool for cutting in outlet boxes, HVAC vents, and similar openings in drywall. We find it especially helpful when installing circular ...Missing: electrical | Show results with:electrical
[28]
[PDF] Woodworking Tools - Smithsonian Institution
the design of a basic tool. The dividers shown in figure 1 5 are English and would seem to be of early. 18th-century origin, perhaps even earlier. They are.
[29]
Saws: A Fundamental Furniture Maker's Tool - Lost Art Press
5.0 65 · Free delivery over $100 · 30-day returnsDec 7, 2021 · Saws you should have if you make furniture: FIG. 1. CHIEF KINDS OF SAWS: A. Cross-cut B. Panel C. Tenon, D. Dovetail E. Bow F. Keyhole
[30]
What is a compass saw? - Wonkee Donkee Tools
A compass saw is designed for cutting curves or working in awkward and confined spaces where a larger saw could not fit. It's similar to ...Missing: features | Show results with:features
[31]
13 Types of Hand Saws - Lowe's
9. Compass Saw · Use for circle and curve cutting in wood · Has a longer, coarser blade than a keyhole saw for slightly heavier work, such as cutting holes in ...
[32]
Using authentic tools - Colonial Williamsburg
In the 18th century, saws were made in a variety of sizes and shapes designed for different jobs. The compass saw shown here had a narrow pointed blade which ...Missing: origin | Show results with:origin
[33]
Buying Guide to Different Handsaw Types [With Pictures]
Nov 22, 2023 · fret saw · View Range. 7. Compass Saw. A compass saw is primarily used to cut curves in sheet material. It has a long rigid blade, with a TPI of ...
[34]
"What's in a Name?" Part II Compass Saw? Table Saw? Keyhole ...
A keyhole and pad saw is used for cutting interior circles and other shapes that are much smaller than an ordinary compass saw could accomplish, hence the name ...
[35]
https://benchandchisel.com/hand-tools/saws/compass-keyhole-saws/
[36]
Jab Saw - 725 - Klein Tools
Specifications. Teeth Per Inch: 8. Blade Length: 6'' (15.2 cm). Overall Length: 12'' (30.5 cm). Weight: 5 oz (141 g). UPC: 092644310003. Additional Information.
[37]
Stanley 6.25 in. Jab Saw with Wood Handle 15-206 - The Home Depot
Rating 4.6 (419) This amazing Stanley Jab Saw with Wood Handle is specially designed to make cuts in plasterboard. Handle is bonded to the blade with epoxy for strength.Missing: keyhole | Show results with:keyhole
[38]
A Guide to the Different Types of Hand Saws - RS Components
Jan 16, 2023 · Stick to fine-toothed saws for jobs that demand slower speeds and higher precision. More teeth per inch usually imply a finer blade, meaning ...Hand Saw Tpi Guide · Plasterboard Saws · How To Sharpen A Hand Saw
[39]
QLT By MARSHALLTOWN Drywall Saw, Plastering Soft Grip Handle ...
Marshalltown 13732 15-Inch Soft Grip Drywall Saw features a hardened and tempered blade with five teeth per inch. It cuts quickly through wallboard, gypsum ...Missing: finer markings
[40]
The Best Drywall Saws Chosen by Bob Vila
Feb 5, 2025 · A handheld drywall saw or jab saw has a long, narrow blade with large teeth and a sharp tip specifically designed for cutting into drywall.
[41]
https://timothystoolbox.com/blogs/blog/drywall-through-the-ages-how-has-the-profession-changed
[42]
Cutting Through History: The Legacy of the All-Way Handy Saw
Dec 15, 2023 · It was in the store's basement that the All-Way Handy Saw was invented. It could be mounted in four different positions. Other keyhole saws had ...
[43]
How To Clean Saw Blades in Three Simple Steps - This Old House
To properly clean a saw, you must soak, scrub, and shine it. This process works on various blade sizes and types, including router bits.Missing: keyhole techniques
[44]
Saw Files | Setting Up and Sharpening Guides
Saw files can also be known as triangular files or three-square files. They often have single cut teeth across the full width of each facet of the file.Missing: keyhole | Show results with:keyhole
[45]
Welcome to Vintage Saw's Saw Filing Treatise
It is no accident that all saw filing files are 60 degrees as well. There are several angles that you will have to keep in mind when thinking about crosscut ...
[46]
Sharpening and setting of saw blades - Fine Tools
Jan 10, 2025 · You clamp the saw blade in the filing clamp and file with a flat file across the row of teeth until a flat surface has formed on each tooth tip.
[47]
[PDF] How to Tighten Your Backsaw's Loose Handle (without ... - SawSharp
And now you have deformed your saw. The takeaway here is that tightening the screws is best done with no small degree of circumspection, and in any event ...
[48]
Replacing Screws and Caps… - Paul Sellers' Blog
Feb 18, 2020 · You will need three drill bits to make these studs work in your saw, not the single 1/4′′ suggested: Two twist drills 7.5 and 6.5 and a rim bit like a Forstner ...
[49]
When and How To Use a Handsaw for DIY Projects
Always keep your hands and fingers away from the path of the saw blade. Use clamps or a vise to secure your workpiece whenever possible, rather than holding it ...
[50]
https://www.osha.gov/silica-crystalline
[51]
Hand Saws: Types and Safety Precautions | DoItYourself.com
Sep 14, 2011 · Compass or Keyhole Saw. A compass saw cuts curved or straight-sided holes. The saw blades are narrow and tapered nearly to a point to fit into ...
[52]
Safe Use of Hand-Held Tools for Trainers and Supervisors - Ohioline
Jun 7, 2018 · Don't use any saw with a dull blade. Some saws have adjustable blades—hacksaw, coping saw, keyhole saw, or bow saw. Make sure the blade is taut ...Missing: precautions | Show results with:precautions