Drill Delivers Improved Hole Quality & Longer Tool Life


The reinforced variant of CoroDrill 880 indexable drill that will substantially improve production economy in large diameter hole-making applications. The latest CoroDrill 880 tool body is compatible with a range of insert grades, including a grade based on the company’s new Zertivo technology, which delivers optimized cutting edge integrity.

The enhanced drill body is up to 30% stiffer than its predecessor for applications of four to five times the drill diameter. This gives a more reliable drilling experience and a much better hole quality.

In tests, a customer manufacturing slewing rings for the wind power industry tried the new and improved tool body for CoroDrill 880 in application requiring holes of five times the drill diameter.


  • drill body is up to 30% stiffer than its predecessor
  • GC4324: Productivity booster for stable conditions
  • GC4334: First choice for good to average conditions
  • GC4344: Excellent performance in difficult conditions
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