Bitray Deburring External Chamfering Tool Chamfer Tool Deburring External Drill Steel Burr Triangle Shank Burr Removal Bit Quickly Repairs Damaged Metal External Chamfer Deburring Tool -Silver-

Specification: Color: Silver Shank Type: Triangle Shank Material: Cr12MoV Size: 1.1*2inch/ 28*50mm Fits size(approx.):5/16-32 bolts (.164) up to 3/4?-10 (.750) - (8mm -19mm) Interior ring diameter: 0.83inch/21mm Exterior ring diameter: 1.1inch/28mm Package: 3 PCS Deburring External Chamfering Tool Simple Operation 1: Connect the deburring tool to the drill bit 2:Apply a little pressure with the lowest speed 3:Easily screw nuts on the bolt 4: Complete operation Feature: 1.The high strength and hardness deburring external chamfer tool easily shave down the outer edges of a bolt, pipe or rod, remove the burr. 2.Quickly repairs damaged bolts and tightens the nuts in place without hurting your hand, no sparks, and no burns. 3.Easy to use, simply attach it to the end of your power drill (can be attached to any drill), lubricate the end of whatever you need fixed and in a clockwise direction and low speed - trim the threading off the bolt. Then the nut has a clean started thread to screw on to!