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