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Storage area containing assorted bar stock. Bar stock, also (colloquially) known as blank, slug or billet, [1] is a common form of raw purified metal, used by industry to manufacture metal parts and products. Bar stock is available in a variety of extrusion shapes and lengths. The most common shapes are round (circular cross-section ...
Pens, pencils, scribes, drawing boards, and plum bobs. A square is a tool used for marking and referencing a 90° angle, though mitre squares are used for 45° angles. Squares see common use in woodworking, metalworking, construction and technical drawing. [1] Some squares incorporate a scale for measuring distances (a ruler) or for calculating ...
Fillet (mechanics) In mechanical engineering, a fillet (pronounced / ˈfɪlɪt /, like "fill it") is a rounding of an interior or exterior corner of a part. An interior or exterior corner, with an angle or type of bevel, is called a "chamfer". Fillet geometry, when on an interior corner is a line of concave function, whereas a fillet on an ...
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 ...
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The upper, rounded, edge of Barber's notch was designed to aid in pulling the blade from the scales. Barber's notch is essentially a round-nose blade profile with a concave arch (notch) on its upper part to aid in lifting the blade from the scales. Round point (or Dutch). As the name implies the point profile is symmetrically curved from head ...
Film perforations. Film perforations, also known as perfs and sprocket holes, are the holes placed in the film stock during manufacturing and used for transporting (by sprockets and claws) and steadying (by pin registration) the film. Films may have different types of perforations depending on film gauge, film format, and intended usage.
After approximately forming a metal object, by stretching with techniques such as sinking and raising, and then shaping and smoothing an object, metal workers use planishing for surface finishing. Planishing is a hand-driven process used in auto body repair and sheet metal craft work such as medieval armour production. [citation needed]