Crosse Recessed Countersunk Head Drilling Screws with Tapping Screws Thread
The self-drilling self-tapping screw with the cross slot countersunk head can complete the drilling, tapping and fastening process in one go, and ensure the surface is smooth after installation.
Product Technical Parameters
| ●Material: Carbon Steel and Stainless Steel |
| ●Surface Treatment: Galvanized, Nickel Plated, Black Oxide |
| ●Metric Strength Grades: 4.8, 8.8, 10.9 |
| ●Metric Thread Diameter: ST2.9~ ST6.3 |
| ●Metric Thread Length: 13 ~ 60 |
Product Description of Crosse Recessed Countersunk Head Drilling Screws with Tapping Screws Thread
- Function and use: These screws integrate a self-drilling tip with a self-tapping thread design to drill, thread and tighten directly on metal and other materials, greatly simplifying the assembly process.
- Application: It is widely used in the construction, metal processing and electrical industries, especially for the treatment of flat surfaces, such as fixing metal panels or installing equipment.
- Needs Solved: The integration of drilling and tapping into a single step significantly reduces installation time and labor costs, thus simplifying the installation process and ensuring that screws can be fixed smoothly and securely.
Wanhong Fasteners supply high quality cross grooved countersunk head self-drilling self-tapping screws in various sizes and materials, suitable for a wide range of industrial applications.
Data Sheet of Crosse Recessed Countersunk Head Drilling Screws with Tapping Screws Thread
Crosse recessed countersunk head drilling screws with tapping screws thread Dimensions Chart: Based on ISO 15482
| (mm) | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
| P | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a max | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| dk max | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 |
| dk min | 5.2 | 6.9 | 8 | 8.9 | 9.9 | 10.9 |
| k max | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 |
| No. | 1 | 2 | 2 | 2 | 3 | 3 |
| M | 3.2 | 4.4 | 4.6 | 5.2 | 6.6 | 6.8 |
| t max | 2.1 | 2.4 | 2.6 | 3.2 | 3.3 | 3.5 |
| t min | 1.7 | 1.9 | 2.1 | 2.7 | 2.8 | 3 |
| Drilling plate thickness min | 0.7 | 0.7 | 1.75 | 1.75 | 1.75 | 2 |
| Drilling plate thickness max | 1.9 | 2.25 | 3 | 4.4 | 5.25 | 6 |
| z min | 6.25 | 6.8 | 8.7 | 9.3 | 11 | 12 |
Equivalent Standards:GB /T 15856.2 | DIN EN ISO 15482 | DIN 7504
Some of the standards listed above may be considered approximately equivalent. If there are differences in dimensions, please adhere to the original standard
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