Hardware & Tools
Cross recessed countersunk head tapping screw DIN7981
Description
This product is a cross recessed countersunk head tapping screw, compliant with DIN7981. Thread sizes range from 2.9 to 6.3mm. The cross recessed countersunk head design is suitable for applications requiring flush or slightly protruding surfaces. The company has a mature production chain, providing high-quality and competitively priced products.
Specifications
| a max | 1.1, 1.3, 1.4, 1.4, 1.6, 1.8, 1.8 mm |
| d1 min | 5.2, 6.44, 7.14, 7.74, 9.14, 10.37, 11.97 mm |
| Pitch (P) | 1.1, 1.3, 1.4, 1.4, 1.6, 1.8, 1.8 mm |
| r (radius) | 1.1, 1.4, 1.5, 1.6, 1.9, 2.1, 2.4 mm |
| k (head height) | 1.7, 2.1, 2.3, 2.5, 3, 3.4, 3.8 mm |
| Thread specification (f) | 2.9, 3.5, 3.9, 4.2, 4.8, 5.5, 6.3 mm |
| d1 max (nominal head size) | 5.5, 6.8, 7.5, 8.1, 9.5, 10.8, 12.4 mm |
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