4", 3-3/4", 4-1/4", 3-7/8", 4-1/2"
21 mm, 55 mm, 19 mm, 26 mm, 8 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Satin, Black Oxide, Mirror, Full Polish, Black Chrome
DIN 3113B, DIN3113, ASME B107.100-2010, ASME B107.6
BS192:1982., DIN 3113.