Woodworking hole saw, metal hole enlarger drill bit, 19mm drill bit for thick iron plates (bubble wrap wrapped).

1、High Efficiency: Designed by the inner, middle and the outer 3 flutes, with high opening efficiency, and is not easy to collapse.

2、High Speed ​​Steel: Made of high speed steel material, with high strength and corrosion resistance, not easy to deform after long term use.

3、Small Resistance: The saw blade has large gaps, which can reduce the resistance when opening a hole and quickly remove chips.

4、19mm Diameter: The cutting diameter of the hole opener is 19mm, the hole is round and has no gaps, with good smoothness.

5、Wide Applications: Suitable for cutting and drilling of marble, ceramic tiles, walls and other stones, fast and labor saving.Item Type: Hole Opener Drill Bit

Material: High speed steel

Cutting Diameter: Approx. 19mm / 0.75in

1 x Hole Opener

1 x Hex Wrench

1 x Spring