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