6Pcs M3-M10 Tap Drill Bit Set Hss Titanium Coated 1/4 Inch Hex Shank Tap Drill

Description:
6Pcs M3-M10 Tap Drill Bit Set HSS Titanium Coated 1/4 Inch Hex Shank Tap Drill Bits

Specification:
Color: Golden
Material: High speed steel
Surface treatment: Titanium coated
Size: M3, M4, M5, M6, M8, M10
Suitable for cutting iron, cast iron, steel, carbon steel



Features:
1.Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
2.Its a spiral groove, within the processing thread, cutting up to exclude,and was curled applied internally threaded through holes.
3.Long service life, high hardness, rustproof, solid and durable.

4.The advantage is opening, tapping, chamfering.

5.Self-centering point, do not need assistant center drilling or center punching.

6.Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.

Package Included:
6 x M3-M10 tap drill bits