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