7/16 END CUT BUST-N-OUT EXTRACTOR STEP 1 ZBEC437 | eBaydiy Tools

Specialty end cutting carbide burs to properly smooth / flatten rough surface of an internal broken bolt or stud
Prepares surface for drilling on center
Existing bolt hole provides a guide for bur’s correct alignment to broken surface
For use with high speed right angle die grinders, allowing for greater operator control and to get into tighter spaces than conventional methods for bolt removal