Oudtinx 2 Pack Deburring External Chamfer Tool Drill Bit Remove Burr Repairs Tools Quick Release Hexagon Shank Gold

Feature: Type of Shank : (6.35mm)1/4 inch hex Color: Gold Material: HSS Steel Total Length:48mm Fits Size:8-32 bolts (.164) up to 3/4 inch-10 (.750) - (4mm -19mm) Applicable occasiones: 1.using this bit to deburr the external chamfering tool, you can quickly repair damaged bolts and tighten the nuts in place, saving time and money, which is very practical in everyday life. 2.this external chamfering tool has been thoroughly tested and can indeed be used to sand a compressed or rusted bolt tip to the tapered edge to tighten the nut in place. how to use?: 1.attach the deburring external chamfering tool to the end of the drill. 2.at the lowest bit speed, then a little pressure is applied to remove the burrs. Notes: 1. you don't have to scrape too much bolts, just remove the burrs. 2. during the chamfering process, the two metals touch together and produce some noise. You can use lubricants to improve this situation. Again, this may be related to the speed at which you use the drill bit or other reasons. Package Included: 2pcs External Chamfer Tool