![](/static/upload/image/20231210/11.jpg)
Self Drilling Screws
Knurled Double Thread Hex Washer Head
Applications:
- 1.Roof and wall panel over rigid insulation to steel framing 2.Roof panel over spacer block and insulation to eaves purlin
- Material:Carbon steel Stainless Steel
- Plated:White Zinc-plated|Yellow Zinc-plated|Chrome-plated|Nickel-plated
- Coating:Ruspert|Magni|Climaseal|Dacromet
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- Features
- Double thread for the purpose using exterior roofing environment
High thread under the head prevents panel stripout
Point to thread design maximizes pullout performance and minimizes
- Point
- Drill Pont #3
Drill Pont #5
Our Advantages![](/img/fwdot.png)
Feel the Power of the Screws
![](/img/adv1.png)
- 15 Years
- Production experience
![](/img/adv2.png)
- 1000 Sets
- Production equipment
![](/img/adv3.png)
- 120 +
- Professional staff
![](/img/adv4.png)
- 30000 ㎡
- Manufacturing base
Evaluate
The customer said
- It Is So Great,Thanks!
- Xiaojun's drilling tail wire products are excellent, with stable quality, fast delivery, and very cheap prices, requiring long-term cooperation.
![](/img/dot06.png)
Devit M. Kolin
Manager
- It Is So Great,Thanks!
- Xiaojun's drilling tail wire products are excellent, with stable quality, fast delivery, and very cheap prices, requiring long-term cooperation.
![](/img/dot06.png)
Devit M. Kolin
Manager
- It Is So Great,Thanks!
- Xiaojun's drilling tail wire products are excellent, with stable quality, fast delivery, and very cheap prices, requiring long-term cooperation.
![](/img/dot06.png)
Devit M. Kolin
Manager
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