3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-3/8"
21 mm, 22 mm, 55 mm, 14 mm, 36 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Aluminium Bronze, Drop Forged Carbon Steel, Chrome Vanadium Steel, Beryllium Copper, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Satin
ASME B107.6., DIN 3113., DIN3113, ASME B107.6
BS192:1982., DIN 3113B