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Stainless steel self-drilling screws combine the corrosion resistance of stainless steel with the convenience of self-drilling. These screws are designed to penetrate metal without the need for pre-drilling, making them ideal for quick and reliable assembly in challenging environments.
They are particularly suited for outdoor, coastal, or industrial settings where exposure to the elements is a concern. The high-strength stainless steel construction ensures long-term durability, providing a secure fastening solution in applications where quality and performance are critical.
| Name | Self drilling Screws | Materials | Carbon Steel/Stainless Steel |
| Standards | DIN ISO ANC BSW JIS etc. | Strength level | 8.8 etc. |
| Size | M1.5-M6 | Surface finish | ZP\BLACK etc. |
| Length | 10-100 | Samples | Available |
| Thread specification | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| P | pitch | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| a | maximum value | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | maximum value | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 | |
| minimum | 5.2 | 6.9 | 8 | 8.9 | 9.9 | 10.9 | ||
| k | maximum value | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 | |
| r | maximum value | 1.2 | 1.4 | 1.6 | 2 | 2.2 | 2.4 | |
| slot number | 1 | 2 | 2 | 2 | 3 | 3 | ||
| M1 _ | 3.2 | 4.4 | 4.6 | 5.2 | 6.6 | 6.8 | ||
| M 2 | 3.2 | 4.3 | 4.6 | 5.1 | 6.5 | 6.8 | ||
| dp | 2.3 | 2.8 | 3.6 | 4.1 | 4.8 | 5.8 | ||
| Drilling range (plate thickness) | 0.7~1.9 | 0.7~2.25 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 | ||
| Lg (minimum) | - | - | - | - | - | - | ||
①,Material: Manufactured from case-hardened steel as specified in DIN 17210 or quenched and tempered steel as specified in DIN EN 10083-1 and DIN EN 10083-2 (at the discretion of the manufacturer), equivalent grades are permitted.
Stainless steel self-drilling screws are engineered for fast, efficient installation, with a drill bit tip that penetrates metal without pre-drilling. Their stainless steel composition provides excellent corrosion resistance, making them ideal for outdoor and marine environments.
These screws are perfect for projects that demand durability in challenging conditions. The combination of self-drilling capability and stainless steel construction ensures that these screws offer reliable, long-term performance, even in environments with high moisture or chemical exposure.
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