3-7/8", 4-1/2", 4-3/8", 5", 5-3/8"
21 mm, 55 mm, 19 mm, 36 mm, 15 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Aluminium Bronze, Drop Forged Carbon Steel, Beryllium Copper, Chrome Vanadium Steel, Alloy Steel
Chrome, Mirror, Full Polish, Black Chrome, Satin
BS192:1982.
DIN 3113, DIN 3113B, ASME B107.6
BS192:1982., DIN 3113., ASME B107.100-2010