3-3/4", 4-3/8", 3-7/8", 4-1/2", 4-1/4"
21 mm, 55 mm, 14 mm, 26 mm, 36 mm
Whitworth, Imperial, SAE, SAE/Metric, Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Alloy Steel
Satin, Mirror, Full Polish, Black Chrome, Black Oxide
DIN 3113., ASME B107.6., DIN3113, ASME B107.100-2010, ASME B107.6
BS192:1982.