3-7/8", 4-1/2", 4-3/8", 4-1/4", 5-3/8"
8 mm, 30 mm, 5.5 mm, 55 mm, 19 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN 3113., ASME B107.6
BS192:1982., ASME B107.100-2010, DIN 3113B, ASME B107.6.