How to punch a hole in three seconds? I'll tell you

Hello, today to bring you the drilling class tool recommendation.

This paper introduces the most common problem in the process of home decoration, quickly punched a hole, up to the air conditioning pipe, down to the water pipe circuit embedding, etc., choose the right tool, can make the work twice the result with half the effort.

Step Drill Bit Set - Hammerest

Different from the traditional drilling bit, this universal Step Drill Bit Set has three functions of drilling, reaming and deburring as a whole. The step structure, 1 branch is equal to 15 twist heads of different specifications, suitable for drilling of various materials, mainly suitable for metal products such as iron plate, copper plate, aluminum plate, plastic plate, etc.

3Pcs Step Drill Bit Set

39.99$

The Step Drill Bit Set is made of alloy steel and enjoys the reputation of "cutting iron like mud". The hole is sharp and has no burr edge. The self-centering is easier to locate and effectively reduce the slip of the drill.

Tip tip: drilling bit can be added a little oil, in order to better protect the bit