3-3/4", 3-7/8", 4-1/2", 5-3/8", 4-1/4"
21 mm, 5.5 mm, 55 mm, 19 mm, 26 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Beryllium Copper, Drop Forged Carbon Steel, Aluminium Bronze, Chrome Vanadium Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
ASME B107.100-2010, BS192:1982.
DIN 3113, DIN3113, DIN 3113B, ASME B107.6
BS192:1982.