self drilling screws
Product Description of self drilling screws
Self-drilling screws are fasteners with a drill tip that allows them to drill their own pilot holes as they are driven into material. This eliminates the need to pre-drill holes before inserting screws, making it convenient for a variety of applications.
Self-drilling screws are commonly used in metal-to-metal or metal-to-wood applications as well as in construction and manufacturing. They are available in various sizes and materials to suit different needs.
When using self-drilling screws, it is important to select the correct size and type for the specific material and application to ensure a safe and secure connection. Additionally, appropriate drilling speed and pressure should be applied to avoid damaging the material or the screw itself.
Overall, self-drilling screws are a time-saving and efficient option for fastening materials, especially where pre-drilling holes may be difficult or impractical.
Product Size of hex head self drilling screw
|
Size(mm)
|
Size(mm)
|
Size(mm)
|
| 4.2*13 | 5.5*32 | 6.3*25 |
| 4.2*16 | 5.5*38 | 6.3*32 |
| 4.2*19 | 5.5*41 | 6.3*38 |
|
4.2*25 |
5.5*50 | 6.3*41 |
| 4.2*32 | 5.5*63 | 6.3*50 |
| 4.2*38 | 5.5*75 | 6.3*63 |
| 4.8*13 | 5.5*80 | 6.3*75 |
| 4.8*16 | 5.5*90 | 6.3*80 |
| 4.8*19 | 5.5*100 | 6.3*90 |
| 4.8*25 |
5.5*115 |
6.3*100 |
| 4.8*32 | 5.5*125 | 6.3*115 |
| 4.8*38 | 5.5*135 | 6.3*125 |
| 4.8*45 | 5.5*150 | 6.3*135 |
| 4.8*50 | 5.5*165 | 6.3*150 |
| 5.5*19 | 5.5*185 | 6.3*165 |
| 5.5*25 | 6.3*19 | 6.3*185 |
Product Show of hex washer head self drilling screws
Product Application of hex self drilling screw
Hex washer head self-drilling screws are commonly used in a variety of applications, particularly construction, metalworking and general fastening tasks. The hexagonal washer head design provides a larger load-bearing surface and a flat head for enhanced clamping force and stability. Here are some common applications for hex washer head self-drilling screws:
1. Metal Roofing: These screws are typically used to secure metal roofing panels to the underlying structure. The self-drilling feature allows for fast and efficient installation, eliminating the need for pre-drilling holes.
2. HVAC Ductwork: Hex washer head self-drilling screws are often used to fasten HVAC ductwork components together, providing a secure and air-tight connection.
3. Steel Frame: In construction, these screws are used to fasten steel frame members such as studs and rails, providing reliable and durable connections.
4. General metal-to-metal fastening: They are suitable for a variety of metal-to-metal fastening applications, including joining metal plates, brackets, and other components.
5. Wood to Metal Fastening: In some cases, hex washer head self-drilling screws are used to fasten wood to metal, such as connecting wooden parts to metal frames or structures.
It is important to select the appropriate screw size, length and material based on the specific application and thickness of the fastening material. Additionally, ensuring correct installation torque and using a compatible drill is critical for optimal performance and longevity.
Product Video of roofing self drilling screws
FAQ
Q: when can I get quotation sheet ?
A: Our sales team will make quotation within 24 hours,if you are hurry ,you can call us or contact us online,we will make quotation for you asap
Q: How can I get sample to check your quality?
A: We can offer sample for free,but usually freight is at customers side ,but the cost can be refund from bulk order payment
Q: Can we print our own logo ?
A: Yes, we have professional design team which service for you ,we can add your logo on your package
Q: How long is your delivery time?
A: Generally it is about 30 days accordng to your order qty of items
Q: You are a manufacturing company or trading company?
A: We are more than 15 years professional fasteners manufacturing and have exporting experience for more than 12 years.
Q: What is your payment term?
A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.
Q: What is your payment term?
A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.
