Steel Hex Self Drilling Screw With EPDM Washer ,DIN7504K, Yellow Zinc Plated,Hex Head,C1022 Hardened, Heat Treatment

1. Product Description

Self drilling screws, Drlling tapping self drilling screw, say again "drlling screw" "drlling screw" "self drilling screw," the north is also known as "dovetail screw".

Self Drlling tapping screws" say again "drlling screw" "drlling screw" "self drilling screw," the north is also called "dovetail screw".English: the SELF DRILLING SCREWS.Its execution standard GB/T 15856.1-2002. German standard DIN7504N - 1995, JIS B 1124-2003.

This screw with drilling the tail tip named as twist drill, screw during assembly to drill out the center by Confucius, and then with the aid of the nearby threaded portion on the carrier hole tapping squeeze cut out with the thread, so called the drilling and tapping screws.

Self Drlling screw according to standards can be divided into: GB/T, DIN, JIS and ISO international standards.

A. according to the purpose and shape can be divided into the following categories:

1. The Cross slot pan head self-drilling screw with tapping screw, Cross recessed pan head drilling screws with tapping screw thread, executive standard: GB/T 15856.1 2002

2. Philips countersunk head self-drilling screw with tapping screw, Cross recessed countersunk head drilling screws with tapping screw thread execution standard: GB/T 15856.2 2002

3. The philips oval head self-drilling screw with tapping screw, Cross recessed countersunk head drilling screws with tapping screw thread execution standard: GB/T 15856.3 2002

4. Hex flang self-drilling screw with tapping screw, Hexagon flange head drilling screws with tapping screw thread execution standard: GB/T 15856.4 2002

5. Hexagonal protruding from drilling and tapping screws. Hexagon washer head drilling screws with tapping screw thread

2. Specification

1) Materials: Carbon Steel

2) Process Method: Cold forging, hot forging

3) Size: All frequent sizes

4) Standard: DIN,ANSI

5) Surface: Zinc Plated, Plain

7) Packing: Inner packing with strong plastic bag, carton finally. Packing dimension would be according to the products dimension and quantity.

8) Delivery terms: FOB / CFR / CIF etc.

9) Delivery Time: 60-70 days after get the deposit.

3.Application

Machanical equipments, new energy, electric products, fluid equipment, engineering equipment etc

4.More Pictures

Hongxu Hardware Co.,Ltd is a professional manufacturer and exporter many kinds of fastener:Threaded rod,Bolt,Nut,Washer,Anchors etc,with more than 15 years in this field.We are near from Shanghai,Ningbo about 120 kms,with our high quality products and good services,we have relations with customers all around the world.

We are a professional and modern company dealing in standard parts,and have a professional technical team and high-quality supply,has a complete and scientific quality management system, first-class service and quality for survival,as a guarantee for our customers' vital interests.Our main products are: tooth bar, hexagon bolt, nut, screw and other products.

Our company had“innovative concept,the pursuit of excellence,rapid improvement,sustainable management as business philosophy,Quality is the first work in our company,customers satisfaction is our honor.

Our quality policy will never change,to carrenvironment the society and the social responsibility,we are a integrity,responsibility,innovation team,hoping we can do business with the customers from all around the world.