High Speed Steel Chamfer Drill Bit Deburring Tap Chamfer Tool Straight Flute Tapping Burr Removal Tools Milling Compound Cutter

[Specification]: Material: Tap: M2 (High Speed Steel 6542） Black Chamfer: M35 (High Speed Steel CO) Size: M3/M4/M5/M6/M8 Function: it is installed on the tip tap and completes the tapping and chamfering operation at one time, saving time and labor. [Feature]: 1. Tapping compound chamfering knife, sharp edge, high hardness, more wear-resistant. 2. Simplify the repair process without replacing expensive or hard-to-access hardware. 3. Easy to use and improve efficiency. Tapping and chamfering processes in a single cycle. [Method of operation]: Advance --- can tap and retreat --- can chamfer, a back and forth action can complete two processing procedures. 1. Tapping starts, Burr - mill does notoperate in this process. 2. When tapping is finished,a compressed spring applies pressure to the burr - mill. 3. Chamfering is doneon the tap's retun stroke(revers rotaion). 4.Tapping and chamfering are finished at the same time.