High carbon steel

Carbide tool

Stellite

Diamonds

0.1

0.125

0.2

0.128

0.15

0.2

0.4

0.35

Diameter over rollers at small end

Diameter over rollers at big end

Radius of the roller

Distance from the centre of the roller to the end of the component

Diameter over the roller at large end

Diameter over the rollers at small end

Radius of the rollers

Distance from the centre of the roller to the end of the component