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  2. Sharpness (cutting) - Wikipedia

    en.wikipedia.org/wiki/Sharpness_(cutting)

    Sharpened metal drop-point blade Naturally occurring sharp obsidian piece Shark tooth with a sharp, serrated edge A sewing needle comes to a sharp point. Sharpness refers to the ability of a blade, point, or cutting implement to cut through materials with minimal force, and can more specifically be defined as the capacity of a surface to initiate the cut. [1]

  3. Abrasive saw - Wikipedia

    en.wikipedia.org/wiki/Abrasive_saw

    Steel cut-off saw for workshop use Cutting heavy steel cable with a Husqvarna freehand saw US Navy diver preparing to use an abrasive saw for underwater salvage. An abrasive saw, also known as a cut-off saw or chop saw, is a circular saw (a kind of power tool) which is typically used to cut hard materials, such as metals, tile, and concrete.

  4. List of blade materials - Wikipedia

    en.wikipedia.org/wiki/List_of_blade_materials

    The blade is made of non-rustproof carbon steel, blue-plastered by hand and finely forged from the base to the tip of the knife. The 90 mm (3.5 in) long blade shows patina (dark spots) caused by decades of use. It can easily be sharpened to a shaving sharp edge. Carbon steel is a popular choice for rough-use knives and cheaper options.

  5. Serration - Wikipedia

    en.wikipedia.org/wiki/Serration

    A serrated blade has a toothlike rather than a plain edge, and is used on saws and on some knives and scissors. It is also known as a dentated, sawtooth, or toothed blade. Many such blades are scalloped, [5] having edges cut with curved notches, common on wood saws and bread knives.

  6. Saw - Wikipedia

    en.wikipedia.org/wiki/Saw

    A class of saws for cutting all types of material; they may be small or large and the frame may be wood or metal. Bow saw , turning saw, or buck saw : a saw with a narrow blade held in tension in a frame; the blade can usually be rotated and may be toothed on both edges; it may be a rip or a crosscut, and was the preferred form of hand saw for ...

  7. Compass saw - Wikipedia

    en.wikipedia.org/wiki/Compass_saw

    Compared with drywall saws, compass saws typically have a longer blade – at 15 to 30 centimetres (5.9 to 12 in) – and shorter pitch (more teeth per inch). [ 1 ] [ 2 ] Keyhole saws , also called padsaws or jab saws, feature shorter, finer blades and (often) straight handles, and are suitable for cutting extremely tight curves.

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