3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-1/4"
18 mm, 21 mm, 5.5 mm, 55 mm, 26 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Beryllium Copper, Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Alloy Steel
Black Oxide, Satin, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, ASME B107.6., ASME B107.6
BS192:1982., DIN3113, ASME B107.100-2010