Fixinus 6 Piece M3-M10 Comnination Drill and Tap Bit Set with Automatic Spring Loaded Center Punch Tool
▲ FEATURES
1. High hardness, rustproof and solid.
2. The advantage is opening, tapping, chamfering.
3. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
▲ SPECIFICATION
Material: High-speed Steel(HSS4341) + Titanium Coating
Hex Shank: 1/4" / 6.35mm
Standard: Metric
Thread Size: M3, M4, M5, M6, M8, M10
Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm
Center Punch Material: Iron + High-speed Steel Punch Head + Brass Protective Coating
Center Punch Size: 13 cm/ 5 inch in length, 1.27 cm/ 0.5 inch in diameter
Usage: Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc
▲ WHAT YOU GET
6 x Compound Tap Drill Bits
1 x Automatic Center Punch Tool
▲ NOTE
When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it.