3-3/4", 4", 3-7/8", 4-1/2", 4-3/8"
5.5 mm, 55 mm, 19 mm, 26 mm, 8 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Black Oxide, Chrome, Mirror, Full Polish, Black Chrome
DIN 3113., BS192:1982.
DIN 3113, ASME B107.6
BS192:1982., DIN 3113B, DIN3113