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Training > D&D Dictionary > Saw

Saw

 A cutting tool having a thin, flat metal blade, band, or stiff plate with continuous cutting teeth along the edge. It is used mainly for cutting metals, wood or other hard materials. Usually saws have cutting blades with teeth, but some saws have   an abrasive diamond disk or steel cable-like blades; such saws are used to cut materials like stone and glass. Typical materials used for making saw blades include brass, steel, diamond, high speed steel, and tungsten carbide. Saws can be broadly classified as hand saws and mechanically powered saws. Mechanically powered saws are distinguished on the basis of their working motion.
  • Circular blade saw which has a rotary motion: it is a solid piece of carbon tool steel with teeth cut in, or may have mounted teeth.  It includes the  circular saw, used in industrial sawing of logs and beams; the radial arm saw, used mostly for cross cutting; the rotary saw, used to make accurate cuts without making a pilot hole in wallboard, plywood or other material; concrete saw, usually powered by an internal combustion engine and used with a diamond cut blade to cut concrete; abrasive saw, uses an abrasive disc for cutting rather than a toothed blade and is used to cut hard materials like metal.
  • Reciprocation blade saw which has a reciprocating motion. It includes jigsaws, scroll saws, drag saws, and sternal saws. They are used for cutting irregular shapes. 
  • Continuous band saws have blades that are flexible endless belts stretched on two rotating pulleys.
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