Wholesale Self Drilling Metal Roofing Screws - Hex Washer Head Self-Drilling Screws with EPDM bonded washer – DaHe
Wholesale Self Drilling Metal Roofing Screws - Hex Washer Head Self-Drilling Screws with EPDM bonded washer – DaHe Detail:
ShenZhen Dahe Industrial Co., LTD., was founded in July 2003, headquartered in Shenzhen, including Phase1 Plant (100mu),Phase2 Plant(200mu),Phase3 Plant(300mu) , Output 80000ton/year ,It is the largest manufacturers of self drilling and tapping screws in china.
As one of the professional manufacturers of self drilling and tapping screws, it is the first manufacturer of automatic assembly line for the whole process in the domestic self drilling screw industry. It is a key project in Hebei Province and a benchmark project in Handan city. Now it has developed into the largest, highest output and most advanced intelligent automation production enterprise of self drilling screw in China.
It has more than 800 employees, including more than 20 senior engineers and technicians. Moreover, it has organized senior technicians to Japan, South Korea, Canada,Russia and other countries for sharing,exchange and learning.
We produce more than 100 type of self drilling screw in different series.
HWH screws have a built in washer to help distribute load to a wider area. Self-drilling screws enable drilling without first creating a pilot hole. These screws are usually used to join materials like sheet metal.
Application
1: For light/medium duty purpose
2: Stitch roof deck and wall panel sidelaps
3: Residential steel frame construction
4: Brick ties to steel framing
Features
1:Precise cutting edges to improve drill performance with less effort
2:Point to thread design maximize pullout performance and minimizes backout
3:Unique point to thread design extrudes the metal preventing stripout
4:Non-walking point provides fast material engagement
5:Equipped with EPDM gasket, waterproof performance is better
6:Customized different color Ruspert coating
Specification
Brand |
Solidex |
Product Type |
Hex Washer Head Self-Drilling Screws with EPDM bonded washer |
Material |
carbon steel |
Drive Type |
Hex |
Product Length |
5/8″– 8″ |
Screw Diameter (mm) |
ST4.2-ST6.3 |
Thread Length |
Fully Thread/Double Thread |
Washer |
Steel+ Bonded Washer |
Finish |
Clear Zinc/ Ruspert coating with different color |
Corrosion resistance class |
C4 |
Product Standard |
GB/DIN7ANSI/BS/JIS |
Approvals |
CE |
Packing |
Coustomer’s Requirements |
Place of Origin |
Hebei, China |
Suitable Use Type |
Suitable for Outdoor Use |
NOTE:
1: M4.2 screw requires a 7 mm socket to fit.
2: M4.8 and M5.5 screw requires a 8 mm socket to fit.
3:Recommended rpm: 1200-2200/min
Product detail pictures:



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We thinks what buyers think, the urgency of urgency to act during the interests of a purchaser position of theory, allowing for much better high-quality, reduced processing costs, charges are more reasonable, won the new and outdated consumers the support and affirmation for Wholesale Self Drilling Metal Roofing Screws - Hex Washer Head Self-Drilling Screws with EPDM bonded washer – DaHe , The product will supply to all over the world, such as: UK, Benin, Tajikistan, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.

The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
