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.51 Hex Shank…

    Q: Can I make a hole in autoclaved lightweight concrete panels (ALC) by hex shank siding drill bits (Carbide tool)?…
    FAQ

  • 2021.05.18

    Our brand woodw…

    Q: Can I make a hole in bamboo by using our brand woodworking auger bits? A: Yes. But, it is…
    FAQ

  • 2021.05.18

    No.20 Hex Shank…

    Q: Can I make a hole in the fiber-reinforced plastics (FRP) by using Hex Shank Iron Drill Bits and Hex…
    FAQ

  • 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

    No.28 Hex Shank…

    Q: Can I make screw threads on aluminum material? A: Yes. But aluminum material is quality of being tenacious, so…
    FAQ