Precise 20 Module Involute H.S.S. Gear Cutter #4, Module 9, Cutter Diameter 5-1/4″, Hole Size: 1-1/2″

• Range of Cutter #4(Industry Standard #5)26 to 34 teeth.
• For spur gears with a 20 Pressure angle.
• Manufactured from high speed steel – H.S.S.
• Specialty cutting tools designed for milling gears.
• For cutting the teeth to suit a special gear shape called an involute form.
• Designed as arbor mounted cutters for machine tools.
• Well suited for use in a variety of ferrous and non-ferrous materials.
• For optimal performance and the best tool life the correct cutting speeds and feeds must be used and suitable lubricating/cutting oils or appropriate coolant fluids are recommended.
• Sized and proportioned to afford a good cutting range and ample rigidity.
• Straight form tooth design to suit the involute gear form.
• For finishing with a 14-1/2 or 20 pressure angle.
• 8 cutters are made for each module.
• Manufactured from high speed steel.
• Ground from solid.
• Hardness:58 to 60 RC
• Straight teeth on periphery of cutters.
• Cutter sets can accommodate gears from 12 teeth to a rack gear.
• Bright finish.

For More Precise Module Involute H.S.S. Gear Cutters #4Click Here