Deburring Bit w/Tri-flat Shank

1, HSS steel hardened with 3 Cutters to quickly repair damaged bolts and tightens the nuts in place.
2, Simplify the repair process, eliminate the need to replace expensive or hard-to-find hardware.
3, To do chamfering work on the damaged bolts of those stainless steel, hardened steel, mild steel, copper, brass, Aluminum, etc.
4, Fits size(approx.):5/16-32 bolts (.164) up to 3/4″-10 (.750) - (8mm -19mm)