Gauge block
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Gauge blocks are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge blocks come i
Metric gauge block set, 112 pcs
Another set with 8 pcs, 125 mm - 500 mm
Trolley model
36 Johansson gauge blocks wrung together easily support their own weight.
Sine bar
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A sine bar consists of a hardened, precision ground body with two precision ground cylinders fixed at the ends. The distance between the centers of the cylinders is precisely controlled, and the top o
Gauge block
…machinist Carl Edvard Johansson. They are used as a reference for the calibration of measuring equipment used in machine shops, such as micrometers, sine bars, calipers, and dial indicators (when used in an inspection role). Gauge blocks are the main means of length standardization used by industry. An important…
Sine bar set up with one end raised on a stack of gauge blocks
254 mm (10") and 100 (3.93") sine bars. In the U.S., 127 mm (5") sine bars are the most common size.