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The handle remains rounded on the reverse, back or right hand-side but becomes gradually flat on the "face" side and also becomes wider, changing from a diameter of approximately 30 mm to a flat width of approximately 46 mm (the permitted maximum was 2 in—now 51 mm). This flat area above the curve of the head is generally referred to as the ...
Ball-peen hammer. A ball-peen or ball pein hammer, also known as a machinist's hammer, [1] is a type of peening hammer used in metalworking. It has two heads, one flat and the other, called the peen, rounded. It is distinguished from a cross-peen hammer, diagonal-peen hammer, point-peen hammer, or chisel-peen hammer by having a hemispherical peen.
Rolling (metalworking) In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of dough. Rolling is classified according to the temperature of ...
Milling cutter. Milling cutters are cutting tools typically used in milling machines or machining centres to perform milling operations (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter's shape (e.g., a form tool such as a hobbing cutter).
Many squares are made of two parts, a stock and a straight blade or tongue. [2] The stock is usually thicker than the blade, with the blade being fixed into or onto the stock. The blade typically has parallel edges. The stock is usually held against the edge of a workpiece or drawing board and the tongue is then used as a straight edge for ...
A flat and straight length of some material, usually wood, steel or aluminium, which provides a reference for tools to work against, or which prevents the work from sliding. fiber. Also spelled fibre. The fine tube-like structure of wood which is hollow and determines the grain direction. figure.
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The flat faces are used to dress the ends of the frets, removing the sharp edges left after the frets are trimmed to length. Half round ring files taper in width and thickness, coming to a point, and are narrower than a standard half round. Used for filing inside of rings. Joint round edge files are parallel in width and thickness, with rounded ...