4-1/4", 4-5/8", 3-7/8", 4-1/2", 4-3/8"
5.5 mm, 21 mm, 55 mm, 26 mm, 15 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Beryllium Copper, Chrome Vanadium Steel, Drop Forged Carbon Steel, Aluminium Bronze, Alloy Steel
Satin, Chrome, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, ASME B107.6
BS192:1982., DIN 3113., DIN3113, ASME B107.100-2010