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Feature

Material: HSS (4341) High hardness, rustproof, solid and durable
Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex shank
Self-centering design: do not need additional center drilling or center punching
Drilling and tapping at the same time, save you time and effort
Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.

Description

Specification:
Material: High-speed steel(HSS 4341)
Color: Silver
Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5
Shank: 1/4" (6.35mm) hex shank
Size:M3, M4, M5, M6, M8, M10
Usage: Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.

Description :
1.High hardness, rustproof, solid and durable.
2.The advantage is opening, tapping, chamfering.
3.Self-centering point, do not need assistant center drilling or center punching.
4.Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

Features :
1. Save processing steps and time costs, improve efficiency
2. Spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes
3. Wear and long life

Package include:
6 x Compound Tap Drill Bits