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A brace and bit can be used to drill wider and deeper holes than can a geared hand-powered drill. The cost of the greater torque is lower rotational speed; it is easy for a geared hand drill to achieve a rotational speed of several hundred revolutions per minute, while it would require considerable effort to achieve even 100 rpm with a brace.
After looking at a range of tools from prehistory to the Romans, the book examines in detail more recent hand tools by function: from saws to drills and braces; from rules and gauges to bevels, squares and levels. Much of the book, however, is devoted to an extensive selection of wooden and metal planes and highlights their manifold functions ...
Building upon the line of tools originally made by Forest City, North Bros. soon expanded their selection of offerings. Screwdrivers were joined by push drills, breast drills, hand drills (also called egg beater drills), hand powered bench drills, bit and braces, ratcheting tap wrenches, vises, cutting tools and small tool kits. [7]
A pin chuck is a specialized chuck designed to hold small drills (less than 1 mm (0.039 in) in diameter) that could not be held securely in a normal drill chuck. The drill is inserted into the pin chuck and tightened; the pin chuck has a shaft which is then inserted into the larger drill chuck to hold the drill securely.
A hand-held corded electric drill A lightweight magnetic-mount drill. A drill is a tool used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driver chuck. Hand-operated types are dramatically decreasing in popularity and cordless battery-powered ones proliferating due to increased efficiency and ease of use.
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The firm of Alexander Mathieson & Sons was one of the leading makers of hand tools in Scotland. Its success went hand in hand with the growth of the shipbuilding industries on the Firth of Clyde in the nineteenth century and the emergence of Glasgow as the "second city of the Empire".
Poison Profits. A HuffPost / WNYC investigation into lead contamination in New York City