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