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A knife (pl.: knives; from Old Norse knifr 'knife, dirk' [1]) is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago , as evidenced by the Oldowan tools.
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.
Bladesmith, Nuremberg, Germany, 1569 Bladesmithing is the art of making knives, swords, daggers and other blades using a forge, hammer, anvil, and other smithing tools. [1] [2] [3] Bladesmiths employ a variety of metalworking techniques similar to those used by blacksmiths, as well as woodworking for knife and sword handles, and often leatherworking for sheaths. [4]
A kitchen knife is any knife that is intended to be used in food preparation.While much of this work can be accomplished with a few general-purpose knives — notably a large chef's knife and a smaller serrated blade utility knife — there are also many specialized knives that are designed for specific tasks such as a tough cleaver, a small paring knife, and a bread knife.
Knives such as the seax and other blades of similar length between 30 and 60 cm (1 and 2 ft), they are sometimes construed as swords because of their longer blades. This is especially the case for weapons from antiquity, made before the development of high quality steel that is necessary for longer swords, in particular:
A machete (/ m ə ˈ ʃ ɛ t i /; Spanish pronunciation:) is a broad blade used either as an agricultural implement similar to an axe, or in combat like a long-bladed knife. The blade is typically 30 to 66 centimetres (12 to 26 in) long and usually under 3 millimetres (1 ⁄ 8 in) thick.
Rasp with visible tang going into the handle Two sides of a tang (nakago) on a Japanese katana. A tang or shank is the back portion of the blade component of a tool where it extends into stock material or connects to a handle – as on a knife, sword, spear, arrowhead, chisel, file, coulter, pike, scythe, screwdriver, etc. [1] [2] One can classify various tang designs by their appearance, by ...
Standard santoku blade length is between 15 and 18 cm (6 and 7 in), in comparison to the typical 20 cm (8 in) European cook's knife. Most classic kitchen knives maintain a blade angle between 40 and 45 degrees (a bilateral 20 to 22½ degree shoulder, from cutting edge). Japanese knives typically incorporate a kataba chisel-edge (sharpened on ...