The Brown & Sharpe 599-7054 universal dovetail attachment is designed to mount all BesTest indicators and dovetail-mounting electronic gage heads (sold separately). It is 2-1/2" long to the center of the ball, and has a 1/4" diameter shank and an M1.4x0.3 thread. The shank is chrome plated for durability and wear resistance.
Micrometers are precision measuring instruments that use a calibrated screw to measure small distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot.
Brown & Sharpe manufactures precision measuring equipment and metrology hand tools. The company, founded in 1833, is headquartered in North Kingstown, RI.