4-1/4", 3-7/8", 4-1/2", 5", 5-3/8"
17 mm, 5.5 mm, 21 mm, 55 mm, 26 mm
Metric, Whitworth, Imperial, SAE, SAE/Metric
Aluminium Bronze, Beryllium Copper, Drop Forged Carbon Steel, Chrome Vanadium Steel, Alloy Steel
Mirror, Full Polish, Black Chrome, Satin, Black Oxide
ASME B107.100-2010, DIN3113, DIN 3113., BS192:1982.
DIN 3113, ASME B107.6
BS192:1982.