Specification:
Material: High Speed Steel (HSS)
color: Blue
Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5
Shank: 1/4" (6.35mm) Hex Shank
Center punch material: iron, high speed steel punch, nano blue coating
Application: Suitable for drilling, tapping and cutting of soft metal, aluminum plate, iron, etc.
Describe :
1. Features: high hardness, anti-rust, wear-resistant.
2. Uses: drilling, tapping, chamfering.
3. Self-centering point, no need for auxiliary center drilling or center punching.
Product Advantages:
1. Save processing steps and time costs and improve efficiency
2. Spiral grooves, internally machined threads, cut up to exclude, and are crimped to apply internally threaded through holes