Set No: 1, 2

Set No: 1, 2, 3, 4

Set No: 1, 2, 3, 4, 5

Set No: 1, 2, 3, 4, 5, 6

Tool steel

Hardened steel sheet

High carbon steel

Medium carbon steel

For clearance

For expansion

To retain abrasive

To adjust the sleeve

Diamond

Boron carbide

Silicon carbide

Aluminium oxide

Nitriding

Case hardening

Flame hardening

Induction hardening