3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-1/4"
21 mm, 55 mm, 14 mm, 26 mm, 36 mm
Imperial, Whitworth, Metric, SAE/Metric, SAE
Beryllium Copper, Chrome Vanadium Steel, Drop Forged Carbon Steel, Aluminium Bronze, Alloy Steel
Black Oxide, Mirror, Full Polish, Black Chrome, Satin
DIN 3113., ASME B107.6., ASME B107.6
BS192:1982., DIN3113, BS192:1982.
DIN 3113