3-3/4", 4-1/4", 4-3/8", 3-7/8", 4-1/2"
17 mm, 5.5 mm, 21 mm, 55 mm, 15 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Chrome Vanadium Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
ASME B107.6., BS192:1982.
DIN 3113, ASME B107.100-2010, DIN 3113B, DIN3113