Tips

FAQ

No.28 Hex Shank Taps

Q: How can I calculate recommended pre-hole size?
A: The format of recommended pre-hole is that size – thread pitch = recommended pre-hole size.

For example, the recommended size of pre-hole for M4 ×0.7 is 3.3 (=4-0.7).

Back to the List

OTHEROther【FAQ】articles

  •

    2021.05.18

    No.23 Hex Shank…

    Q: Can I make a hole in the siding board with our brand hex shank drill cutter? A: Yes. But,…
    FAQ

  • 2021.05.18

    No.27 SDS Shank…

    Q: Can I make a hole in stainless steel by using SDS Shank Iron Drill Bits? A: Yes, it is…
    FAQ

  • 2021.05.18

    No.36 Mushroom …

    Q: If I want to make a further depth hole by using Mushroom Hammer, how I can make it? A:…
    FAQ

  • 2021.05.18

    No.29 Hex Shank…

    Precautions for use our brand Hex Shank Dies Holder. There is different overseas inch size standard of round dies. Therefore,…
    Attention

  • 2021.05.18

    No.24 Hex Shank…

    Q: Please tell me one point tip for keep using the long period of concrete drill bits and porcelain tile…
    FAQ