Hexagon Head Self-drilling and Tapping Screws with Collar
With their hexagonal head and flange design, these screws integrate drilling, self-tapping and fastening functions, providing efficient fastening without the need for pre-drilling.
Product Technical Parameters
| ●Material: Carbon Steel and Stainless Steel |
| ●Surface Treatment: Galvanized, Nickel Plated, Black Oxide, Hot Dip Galvanizing, Dacromet |
| ●Metric Strength Grades: 4.8, 8.8 |
| ●Metric Thread Diameter: ST2.9~ ST6.3 |
| ●Metric Thread Length: 13 ~ 125 |
Product Description of Hexagon Head Self-drilling and Tapping Screws with Collar
- Function and use: With self-drilling tip and hexagonal flange head design, this fastener can realize drilling, self-tapping and fastening integrated operation, significantly simplifying the assembly process of metal structures.
- Application: It is widely used in construction, roofing and metal manufacturing fields, especially suitable for firmly connecting metal plates to metal or wood substrates to ensure the robustness of the structure.
- Needs Solved: Combining drilling and self-tapping technology, successfully omitting the pre-drilling link, significantly reducing the installation cycle and labor costs, while maintaining a solid tightening effect.
Wanhong Fasteners supply high quality hexagonal flanged self-drilling self-tapping screws in various sizes and materials, suitable for a wide range of industrial applications.
Data Sheet of Hexagon Head Self-drilling and Tapping Screws with Collar
Hexagon head self-drilling and tapping screws with collar Dimensions Chart: Based on ISO 15480
| (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 |
| dc max | 6.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| dc min | 5.8 | 7.6 | 8.1 | 9.8 | 10 | 12.2 |
| h min | 0.4 | 0.6 | 0.8 | 0.9 | 1 | 1 |
| s max | 4 | 5.5 | 7 | 8 | 8 | 10 |
| s min | 3.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 |
| e min | 4.28 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
| k max | 2.8 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| k min | 2.5 | 3 | 3.6 | 3.8 | 4.8 | 5.3 |
| r max | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| 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 15856.5 | DIN EN ISO 15480 | UNI 8117
Some of the standards listed above may be considered approximately equivalent. If there are differences in dimensions, please adhere to the original standard
Get A Free Quote Now !
Get durable, high-quality fasteners for your specific needs. Submit an inquiry to receive a customized quote!
Related News
1. Introduction Ever wondered why stainless steel screws were the deal in construction and manufacturing and even found a place […]
