Painted Hex Flange Head Self Drilling Screw with EPDM Metal Bonded Washer

Compared with ordinary Screws, the self drilling screws have higher tenacity and maintenance force,

and will not loosen for a long time after combination. The use, safe drilling and tapping are completed

at one time, and the operation is simple. Thus, whereas a regular machine screw cannot tap its own

hole in a metal substrate, Self Drilling Roofing Screw one can (within reasonable limits of substrate

hardness and depth).Hex Washer Head Self Drilling Screw, Hex Roofing Screw, Self Drilling Screw

The self-drilling hex washer head screws available at DL Fasteners are suitable for any type of building

or construction job. Hex Washer Head Self-drilling screws are best used for securing pieces of metal or

attaching thin sheet metals to wood surfaces. All our hex flange head self-drilling screws are fully threaded

for better security and weight distribution for lasting sturdiness and heavy-duty use.

Color Pinted Hex Flange Head Self Drilling Screw Roofing Screw Sheet Metal Screw
Standard DIN 7504K
Inside Diameter ST3.5-ST6.3
Material C1022A
MOQ 1000 pieces
Surface treatment :Black,Color-zinc,Blue white zinc
Package Plastic bag, Boxes and cartons, Pallets, Customized
Price terms EXW, FOB, CIF, etc.
Payment terms T/T, L/C, Western union, etc.
Certifications ISO 9001:2015
Note: Free samples but freight cost is paid by customers(when sample is in stock) Sample fee (when samples need to be customized)

If you need more information on our screws, please feel free to contact us by email: cally@delongfastener.com

Wechat / Whats App: +8615932307696    our website: www.delongfastener.com

• On the loading day, customer visited our factory to inspect their shipment of self drilling screws.
• Our customers were pleased to see that all of our products were of the highest quality with a shining surface treatment. 
• The zinc plated self drilling screws are specially designed to resist corrosion and rust, ensuring that they remain secure and stable in any environment. 
• As a company, we are committed to product quality, and that is why we use the best materials and the latest technology to produce our self drilling screws. 
• In conclusion, our visitors were impressed with their shipment inspection and were highly satisfied with the quality and packaging of our products. 

Hebei Delong Fastener Manufacturing Co., Ltd. is located in Yongnian District, Handan City, Hebei Province, the distribution center of fasteners. It is close to Beijing Zhuhai Expressway, Beijing Guangzhou railway and national highway 107. It has convenient transportation and superior geographical location.

The company was founded in 2006. The company focuses on the R & D of high-end fasteners, with an annual production capacity of more than 8000 tons. It has first-class production equipment, technology and heat treatment equipment in Taiwan

General Manager: Mr Jin

TEL: 86-310-6665553

Mobile: +86 13703109255

Whats App: +8615932307696

Webstie: www.delongfastener.com

Email: sales@delongfastener.com