A self-drilling screw has a drill bit point that eliminates separate drilling and tapping operations for faster, more economical installations. The drill point allows these drill screws to be installed into steel base materials up to 1/2" thick. Self-drilling screws are available in a variety of head styles, thread lengths, and drill flute lengths for screw diameters #6 thru 5/16"-18.

Csk Phillips head self-drilling Screws Countersunk head Self Drilling Screw are high strength and durable fasteners used for sheet metal applications. To provide a perfect assembly, the countersunk variation of the philip screw has to be used in conjunction with a countersunk hole. The usage of these screws requires a pre-drilled hole. The screws themselves are threaded with twisted gradation which makes it easy to install on the pilot hole. This allows the screws to be used in high-precision applications like machine and electrical component assembly

Surface Treatment

1.White zinc plated

2.Blue-white zinc plated

3.Yellow zinc plated

Countersund Head Self Drilling Screw packing : Bulk, Woven Bag , Box+Carton,Pallet .

• 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