6-Piece Set Quick-Change Hex Shank HSS Spiral Point Metric Plug Drill Bits

Features:

1. High Quality and Brand new. 

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

3. Fast replacement composite cone, uses drill edged principle. 

4. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. 

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

6. High hardness, rustproof, solid and durable. 

7. Metric : M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5

8. Material: HSS Shank: 1/4 "(6.35mm) hex shank Diameter

 Size:

M3x0.5: Total length: 55mm, Spiral length: 24mm, drill diameter: 2.5mm

M4x0.7: Total length: 54mm, Spiral length: 24mm, drill diameter: 3.3mm

M5x0.8: Total length: 58mm, Spiral length: 28mm, drill diameter: 4.2mm

M6x1: Total length: 58mm, Spiral length: 28mm, drill diameter: 5.0mm

M8x1.25: Total length: 59mm, Spiral length: 18mm, drill diameter: 6.8mm

M10x1.5: Total length: 59mm, Spiral length: 20mm, drill diameter:8.5mm

Square handle: 6.35mm 

Package included: 

6x Hexagon handle compound Tap Drill Bits