3-3/4", 4", 3-7/8", 4-1/2", 4-3/8"
5.5 mm, 21 mm, 22 mm, 55 mm, 19 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Beryllium Copper, Drop Forged Carbon Steel, Aluminium Bronze, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Satin
ASME B107.100-2010, DIN 3113B, DIN3113, BS192:1982.
DIN 3113, ASME B107.6
BS192:1982.