4-1/4", 3-7/8", 4-1/2", 5", 4-3/8"
21 mm, 22 mm, 55 mm, 36 mm, 15 mm
Metric, Whitworth, Imperial, SAE, SAE/Metric
Chrome Vanadium Steel, Beryllium Copper, Aluminium Bronze, Drop Forged Carbon Steel, Alloy Steel
Black Oxide, Mirror, Full Polish, Black Chrome, Satin
ASME B107.6
BS192:1982., BS192:1982.
DIN 3113, DIN3113, DIN 3113., ASME B107.6.