3-3/4", 4-3/8", 3-7/8", 4-1/2", 4-1/4"
30 mm, 5.5 mm, 55 mm, 26 mm, 36 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Beryllium Copper, Aluminium Bronze, Drop Forged Carbon Steel, Chrome Vanadium Steel, Alloy Steel
Satin, Chrome, Mirror, Full Polish, Black Chrome
ASME B107.6., BS192:1982.
DIN 3113, DIN3113, ASME B107.6
BS192:1982., DIN 3113.