4-1/4", 4-5/8", 3-7/8", 4-1/2", 4-3/8"
30 mm, 5.5 mm, 21 mm, 55 mm, 36 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Drop Forged Carbon Steel, Chrome Vanadium Steel, Aluminium Bronze, Beryllium Copper, Alloy Steel
Black Oxide, Mirror, Full Polish, Black Chrome, Satin
BS192:1982.
DIN 3113, DIN 3113B, DIN3113, ASME B107.6., ASME B107.6
BS192:1982.