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They are usually made of low grade steel, have a slot or Phillips drive, and are used to join sheet metal parts using a hex or square nut. [12] plow bolt: plough bolt: A plow bolt is bolt similar to a carriage bolt, except the head is flat or concave, and the underside of the head is a cone designed to fit in a countersunk recess.
One form of warning sign for high-voltage electricity uses a lightning bolt inside a circle, and this was repurposed by Marilyn Manson as an insignia for his album Antichrist Superstar. [11] German automobile manufacturer Opel uses a horizontal lightning bolt and circle in black and white as its logo. In most cases, there is no evidence to ...
Shoulder sleeve insignia (SSI) are cloth emblems worn on the shoulders of US Army uniforms to identify the primary headquarters to which a soldier is assigned. The SSI of some army divisions have become known in popular culture.
Sex bolt or Chicago bolt - Bolt that has a male and female part with interior threads and bolt heads on either end. Commonly used in paper binding. Commonly used in paper binding. Shoulder bolt or stripper bolt - Bolt with a broad smooth shank and small threaded section at the end used as a pivot pin or attachment point.
Days later Bolt began his quest to win gold in the 200 meters, and after qualification the 100m and 200m world record holder was handed a print of Morin’s famous photo. “‘This photo is worth ...
Certain branches of industry used Whitworth fasteners with a smaller hexagon (identical to BSF of the same bolt diameter) under the designation "AutoWhit" or Auto-Whit [citation needed] [7] and this series was formalised by the British Engineering Standards Association in 1929 as standard No. 193, with the 'original' series being No. 190 and ...
A carriage bolt (also called coach bolt and round-head square-neck bolt) [1] is a type of bolt. It is also known as a cup head bolt in Australia and New Zealand. It is distinguished from other bolts by its shallow mushroom head and the fact that the cross-section of the shank, though circular for most of its length (as in other kinds of bolt ...