4-1/4", 3-7/8", 4-1/2", 4-3/8", 5-3/8"
5.5 mm, 21 mm, 55 mm, 26 mm, 15 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN 3113., ASME B107.6., ASME B107.6
BS192:1982., DIN3113, DIN 3113B