4-1/4", 4-5/8", 3-7/8", 4-1/2", 5-3/8"
30 mm, 21 mm, 5.5 mm, 55 mm, 36 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Black Oxide
DIN 3113., ASME B107.6
BS192:1982., BS192:1982.
DIN 3113, ASME B107.100-2010, ASME B107.6.