| Customization: | Available |
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| Drive Type: | Hex |
| Grade: | 12.9 |
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Stainless Steel SS304 SS316 SS410 DIN 7504 Hex Flange Head Roofing Screw Bi-Metal Screw Self Drilling Screw
Self-drilling screws are usually classified as self-tapping screws and are often called drill tail screws or self-tapping and self-drilling screws in daily life. Their tails are like drill bits and can drill holes by themselves. They can directly penetrate into the connected materials without the need for pre-drilling, thus greatly saving construction time.
| Diameter | Self-tapping screws have a variety of diameter specifications. Commonly seen ones include M1.0, M1.2, M1.4, M1.6, M2.0, M2.5, M3.0, M3.5, M4.0, M5.0, M6.0, etc. |
| Length | The length range is usually from 1.5 mm to 100 mm, such as 3 mm, 5 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, etc. |
| Thread Parameters | They can be divided into coarse threads and fine threads. Coarse threads have a larger pitch, enabling faster penetration but relatively lower fastening force. Fine threads have a smaller pitch, are more difficult to penetrate but can provide greater fastening force, suitable for occasions where higher connection strength is required. |
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