HGT Technology Co. introduces corner radius end mills built for hardened steel work near HRC 60. A reinforced cutting edge and I8 coating deliver predictable wear and size control when finishing or semi-finishing hard components.
The 4-flute geometry provides stable engagement and fine surface quality, while the corner radius mitigates micro-chipping at exits and in directional changes. Offered in inch and metric sizes.

Highlights
• I8-coated carbide tuned for ~HRC 60 hardened steels
• Corner radius for edge strength and reduced micro-chipping
• 4F stability for shoulders, pockets, and profiles
• Built for semi-finish/finish passes in hardened parts
• Inch & metric; standard and extended lengths

When your paths move into true hardened territory, this series provides finish consistency with less polishing and fewer tool changes.

Cinco Industries is proud to be a national leader in supplying machinery and tooling to the cold forming and fastener industries. Our extensive range of products ensures that manufacturers have access to the most reliable tools and equipment for their specific needs, all supported by our commitment to quality and excellence in customer service.