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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 ...
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 making a mark, or as a reference to check the accuracy of an angle.
Revere Ware. Vintage Revere Ware, manufactured before 1968 and carrying the prized "Process Patent" maker's mark on the thick copper bottom, is finding its way back into modern kitchens. (Photo courtesy of Blane van Pletzen-Rands) Revere Ware was a line of consumer and commercial kitchen wares introduced in 1939 by the Revere Brass & Copper Corp.
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 ...
Drill bit shank. The shank is the end of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit contact the workpiece, and are connected via the shaft with the shank, which fits into the chuck. In many cases a general-purpose arrangement is used, such as a bit with cylindrical shaft and shank in a three-jaw chuck which ...
Joint round edge files are parallel in width and thickness, with rounded edges. The flats are safe (no teeth) and cut on the rounded edges only. Used for making joints and hinges. Knife files are tapered in width and thickness, but the knife edge has the same thickness the whole length, with the knife edge having an arc to it. Used for slotting ...
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.