3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-1/4"
17 mm, 5.5 mm, 21 mm, 55 mm, 36 mm
Imperial, Whitworth, Metric, SAE, SAE/Metric
Aluminium Bronze, Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
DIN3113, DIN 3113B, DIN 3113., ASME B107.6., ASME B107.6
BS192:1982.