4-1/4", 4-3/8", 4-5/8", 3-7/8", 4-1/2"
30 mm, 13 mm, 21 mm, 5.5 mm, 55 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Black Oxide, Satin, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, DIN 3113., DIN3113, DIN 3113B, ASME B107.6
BS192:1982.