Shenzhen Bozex Co.,limited
Professional manufacturer of Stainless steel screws, Bolt, nut and other fasteners, metal stamping parts
Add to Cart
Screw Name:Stainless Steel Self Tapping Screws with Special Spring Washer for Enhanced Fastening
Original Product Material: Stainless Steel, C1002A
Screw Size: 3.3mm - 6.3mm Certificate: DIN, ISO, GB
Application: Industrial machinery, Building, Railway, Lamps, Furniture, House etc.
The so-called combination screw GB9074.8 refers to a small pan head combination screw, which is a three-piece combination of a pan head screw with a flat washer and a spring washer. The spring washer here is specially used for combination screws, not ours Ordinary spring flat washers on the market. In addition, the thickness of the flat washers of this combination screw is generally determined according to the size of the combination screw specification. For example, for M3 combination screws, the thickness of the flat washer is 0.8, and there are also 1 Thick. The outer diameter of the flat washer is also the same. For example, the outer diameter of the flat washer of the M4 combination screw is 9 large on the national standard, and there are also 8 large ones. It all depends on the needs of customers. The pan head combination The screw GB9074.4 refers to the large pan head combination screw. The size of the head is a little larger than that of the small pan head. The thickness should also be thicker. The outer diameter, size and thickness of the spring pad are the same as those of the small pan head combination screw. .
1.Exact forging standard of knife edge and high hardness of surface make it easy to drill.
2.Using the advanced technology to control the core hardness, avoiding rupture effectivity,
3. Quick self drilling , drilling , tapping, locking the oncce, and combining with the strength.
4. Save contruction time, improve working efficency.
5. Technology, professional manufacturing , quality assurance.
6. Our company have more than 15 years experience in the Stainless Steel Screws field.
7. We have Professional experienced engineers, sales and overseas engineers.
8. We have automatically generate machines produce the screws, Bolts, Nuts, Washers and so on .
9. Our high productivity can make sure your quickly delivery time