Threading-bits (set of 12 pcs.) incl. Mũi khoan M 3 – M 10

Threading-Bits combine speed and precision. Whether on-site, in workshops, or in industrial maintenance – this set allows you to cut threads cleanly in one step:

• cắt ren directly with a cordless drill or electric hand drill
• Perfect for M3–M10 with matching Mũi khoan included
• Standard 1/4" hex shank for quick tool change
• Durable HSS-G quality for long service life
• Universal use: hand tapping or stationary drilling machines

Video: ➜ Watch on YouTube

This 12-chiếc set contains 6 threading bits and 6 matching Mũi khoan – everything you need from core hole to finished thread:

• M 3 → VÖLKEL 67026 + Drill Ø 2.5 mm
• M 4 → VÖLKEL 67030 + Drill Ø 3.3 mm
• M 5 → VÖLKEL 67034 + Drill Ø 4.2 mm
• M 6 → VÖLKEL 67038 + Drill Ø 5.0 mm
• M 8 → VÖLKEL 67042 + Drill Ø 6.8 mm
• M 10 → VÖLKEL 67046 + Drill Ø 8.5 mm

Each size combination ensures that you always have the right pair for accurate and reliable threading operations.

1. Drill the core hole: Use the included HSS-G Mũi khoan for the selected thread size.
2. Switch tools: Replace the drill with the matching threading bit.
3. Align correctly: Keep the drill exactly perpendicular to the surface.
4. cắt ren: Run the drill clockwise, then briefly reverse to remove chips.
5. Check the result: Clean the thread, deburr lightly, and test with a screw or bolt.

1. Can I also use the threading bits manually?
Yes, they can be used with a Tay quay taro for precise manual cắt ren.

2. What minimum power should my cordless drill have?
At least 7.5V, though 10.8V or higher is recommended for smoother operation.

3. Do I always need cutting oil?
Yes, cutting oil reduces friction, extends tool life, and ensures cleaner threads.

4. Can the Mũi khoan be purchased separately?
Yes, all included drill and threading bits are available individually at VÖLKEL.

5. Which materials are these bits designed for?
For non-abrasive, machinable metals up to 900 N/mm². Not recommended for hardened steels.