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A keyhole saw with a wooden handle. A keyhole saw (also called a pad saw, alligator saw, jab saw or drywall saw) is a long, narrow saw used for cutting small, often awkward features in various building materials. There are typically two varieties of keyhole saw: the fixed blade type and the retractable blade type.
Compass saws have a narrow, tapered blade usually ending in a sharp point, typically with a tooth pitch of 2.5 to 3 mm (eight to ten teeth per inch), [2] but down to 1.3 mm (up to 20 teeth per inch) for harder materials and as long as 5 mm (as few as five teeth per inch) for softer materials. [1]
The gap left when material is removed by a saw cut. The width of the kerf is equal to the set of the saw. keyhole saw knee knot A circular pattern in timber caused by a dead branch that was not fully integrated into the tree before it was cut down. A loose knot is one that cannot be relied upon to remain in place in the piece.
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A saw is a tool consisting of a tough blade, ... Keyhole saw or compass saw: a narrow-bladed saw, sharply tapered thin to the back to cut round curves, ...
A crosscut hand saw Different sizes of hand saws Reconstructed Roman hand saw (1st–3rd century AD) Close view of cross-cut saw teeth. In woodworking and carpentry, hand saws, also known as "panel saws", are used to cut pieces of wood into different shapes. This is usually done in order to join the pieces together and carve a wooden object ...
A hole saw (also styled holesaw), also known as a hole cutter, [1] is a saw blade of annular (ring) shape, whose annular kerf creates a hole in the workpiece without having to cut up the core material. It is used in a drill. Hole saws typically have a pilot drill bit (arbor) at their center to keep the saw teeth from walking. The fact that a ...
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