3-Piece Step Drill Bit Set Metal Box

3 Piece Stainless Stepped Drill Bit Sheet Metal Drilling Bit Set Metal Box

Punch 1: 4, 6, 8, 10, 12 mm

Punch 2: 4, 6, 8, 10, 12, 14, 16, 18.20 mm

Punch 3: 4, 6, 8, 10 , 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm   

Features:  

- Cutting without cracking with double groove system

- 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm 

- Tin coating 6 times more durable than normal HSS tips

-  Used on soft, laminated wood, plywood, plastic, plasterboard, and sheet metal.

-  Suitable for drilling holes of different diameters in electrical panels and junction boxes

-  With this product, it is possible to perform drilling operations in different diameters without changing bits.

-  Thanks to the centering tip, there is no need to open a pilot hole for large diameter drilling operations