3-3/4", 4-1/4", 4-5/8", 3-7/8", 4-1/2"
8 mm, 30 mm, 21 mm, 5.5 mm, 55 mm
Whitworth, Metric, Imperial, SAE, SAE/Metric
Beryllium Copper, Drop Forged Carbon Steel, Aluminium Bronze, Chrome Vanadium Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN 3113., DIN3113, ASME B107.6
BS192:1982., BS192:1982.
DIN 3113, ASME B107.6.