Features:
✔ 1, The ladder of its unique structure, a bit can open a variety of specifications of aperture.
✔ 2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
✔ 3, Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable,
but it is possible.
✔ 4, The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life
of drill bit, recommend drilling rate of 250-250 RPM.
Product Features:
- It can be widely used, it can drill thin iron plate, aluminum, insulation board, PVC board that the thickness is within 5mm. With a drill, you can drill different holes of sizes.
- Before starting drilling and screwing, the automatic center punch can be used to mark hole locations. It delivers an automatic, high-impact, spring-loaded strike when pressed against wood, metal, and plastic surfaces.