3-3/4", 3-7/8", 4-1/2", 4-1/4", 5"
21 mm, 22 mm, 55 mm, 26 mm, 36 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Drop Forged Carbon Steel, Beryllium Copper, Aluminium Bronze, Chrome Vanadium Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN 3113., DIN 3113B, BS192:1982.
DIN 3113, ASME B107.100-2010, ASME B107.6
BS192:1982.