JIS Tools Company manufactures T- Slot Cutters. JIS Tools Company also manufactures various types of Circular Thread Rolling Dies, Form Tools, Gear Hobs, Special Cutting Tools viz. Reamers, End Mills, Roughing End Mills for CNC machines, Special Taps, etc. In various grades of High Speed Steel [H.S.S.] and Carbide brazed. The T- Slot Cutters are made of High Speed Steel. The T- Slot Cutters are available as per customers specifications.