4", 4-3/8", 3-7/8", 4-1/2", 4-1/4"
8 mm, 21 mm, 5.5 mm, 22 mm, 55 mm
Imperial, Whitworth, SAE, SAE/Metric, Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Satin
ASME B107.100-2010, BS192:1982.
DIN 3113, DIN3113, DIN 3113., ASME B107.6
BS192:1982.