4-1/4", 4-5/8", 3-7/8", 4-1/2", 5"
5.5 mm, 21 mm, 22 mm, 55 mm, 14 mm
Whitworth, Imperial, Metric, SAE/Metric, SAE
Aluminium Bronze, Beryllium Copper, Chrome Vanadium Steel, Drop Forged Carbon Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN 3113., BS192:1982.
DIN 3113, DIN3113, ASME B107.6
BS192:1982., ASME B107.6.