High-feedrate drills

High-feedrate drills

Sandvik Coromant says it can double feedrates with its CoroDrill 880 U-drills.

Sandvik Coromant (www.coromant.sandvik.com/us) says it can double feedrates with its CoroDrill 880 U-drills. The company says the drills have shaped center inserts with step technology that facilitates smooth entrance into workpieces and balances cutting forces to enable the increased feedrates.

The drills' inserts have four cutting edges and wiper geometries for tight tolerances and good surface finishes in a variety of applications including helical interpolation, plunge drilling and boring. CoroDrill 880 drills are available in diameters from 0.473 in. to 2.5 in. with lengths from two to five times diameter.

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