Specialty end cutting carbide burs to be used in succession and are sized specifically to properly locate broken bolt center point; step 1 of the Bust-N-Out system
Prepares broken bolt surface for final drilling in center of broken bolt; existing bolt hole provides as guide for burs' correct alignment to broken surface
Each tool is properly designed to cut on broken bolt surface only, saving component and original bolt hole threads
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
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