3-3/4", 4-1/4", 3-7/8", 4-1/2", 5-3/8"
5.5 mm, 21 mm, 55 mm, 19 mm, 14 mm
Whitworth, Imperial, Metric, SAE/Metric, SAE
Aluminium Bronze, Chrome Vanadium Steel, Beryllium Copper, Drop Forged Carbon Steel, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Satin
DIN3113, DIN 3113., ASME B107.6., ASME B107.6
BS192:1982., DIN 3113B