3-3/4", 4", 3-7/8", 4-1/2", 4-1/4"
5.5 mm, 22 mm, 55 mm, 26 mm, 36 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Beryllium Copper, Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Alloy Steel
Satin, Black Oxide, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, ASME B107.6., ASME B107.6
BS192:1982., DIN 3113., DIN3113