Page 1264 - Master Catalog 2017, Inch

High-Speed Steel ER Rougher

HSS ER ROUGHER

The next generation of premium cobalt HSS roughers are designed specifi cally for titanium
and stainless steels. They are engineered with an Eccentric Relief (ER) grind to provide
a stronger cutting edge that requires less torque to operate. The unique proprietary
chipbreaker geometry will break and control the chip, enabling higher metal removal rates
and greater productivity. The HSS rougher offers the best-in-class performance for diffi cult-
to-machine workpiece materials.

• 6-fl ute design with proprietary chipbreaker providing superior chip control.
• Eccentric relief geometry provides a stronger cutting edge resulting in longer tool life.
• NAS986 5.4D shank adds the fl exibility of dual clamping.
• Higher metal removal rates enable productivity with lower tool costs.

Eccentric relief.
Innovative chipbreaker design.
Center cutting.

Unequal fl ute spacing for 38° helix.
reduced vibrations. NAS986 5.4D shank.

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