1 Pc Degree Counterbore Spiral Step Drill Bit For Metal DrillingChamfering New
1× Spiral step drill bit. For, for drilling 2 holes, the installation of six angle nut. , can replace more than drill. Quantity: 1 Pc. Optional Size: for M3,, M5, M6, M8, M10. Suitable for: Drilling, Chamfering.