Did you know? There are many types of threads for self-tapping screws!
Last updated: 4 Jun 2024
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When buying self-tapping screws You may see the words Type A, B or AB and wonder what the difference is? Let's get to know each other better.

- Suitable for working with soft/medium wood
- Pointed tip helps drill, no need to drill a hole first
- Good for general DIY work
- Suitable for working with hard wood or hard plastic
- The tip is not sharp, you must always drill a hole first
- Lower torque than Type A reduces the chance of wood breaking
- Has a higher thread frequency than Type A, making the thread groove shallower (bite less wood)
- The tip is pointed like A, but the body is tightly threaded like B
- Can be used on both soft and hard wood
- Self-drilling in softwood. But you should use a drill to drill into hard wood first
- Suitable for technicians who work in a variety of jobs
- Popular in the Thailand market
Click here to buy the self-tapping screw
- Steel self-tapping screw
- Stainless self-tapping screw
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