3-3/4", 4-1/4", 4-5/8", 3-7/8", 4-1/2"
21 mm, 55 mm, 14 mm, 26 mm, 36 mm
Metric, Imperial, Whitworth, SAE, SAE/Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Alloy Steel
Satin, Chrome, Mirror, Full Polish, Black Chrome
DIN3113, BS192:1982.
DIN 3113, ASME B107.6., ASME B107.6
BS192:1982., DIN 3113.