4-1/4", 4-3/8", 4-5/8", 3-7/8", 4-1/2"
21 mm, 5.5 mm, 22 mm, 55 mm, 26 mm
Imperial, Whitworth, Metric, SAE, SAE/Metric
Beryllium Copper, Drop Forged Carbon Steel, Chrome Vanadium Steel, Aluminium Bronze, Alloy Steel
Satin, Mirror, Full Polish, Black Chrome, Chrome
ASME B107.100-2010, BS192:1982.
DIN 3113, DIN3113, DIN 3113., ASME B107.6
BS192:1982.