4", 3-7/8", 4-1/2", 5", 4-3/8"
21 mm, 5.5 mm, 55 mm, 26 mm, 36 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Aluminium Bronze, Chrome Vanadium Steel, Beryllium Copper, Drop Forged Carbon Steel, Alloy Steel
Satin, Mirror, Full Polish, Black Chrome, Black Oxide
DIN3113, BS192:1982.
DIN 3113, DIN 3113B, DIN 3113., ASME B107.6
BS192:1982.