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.21 HSS Taper…

    Q: How big size of pre-hole by our brand HSS Tapered Auger Bits? A: the size of the pre-hole for…
    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.51 Hex Shank…

    Q: Can I make a hole in the metal-based siding board by hex shank siding drill bits (carbide tool)? A:…
    FAQ

  • 2021.05.18

    Pliers

    Precautions for using our brand pliers. Please make sure the wire size, crimp terminal size and tool size, etc. If…
    Attention