Customization: | Available |
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Material: | Stainless Steel |
Shape of Head: | Hexagon |
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· Designed to attach the steel plate or aluminium
· High Anti -Corrosion Resistance for extended life cycles
· Material SUS A2-304 with case-hardened sharp point
· Hardened drill point enables the screws to drill carbon steel sections and by having the leads formed on this hardened point allows correct tapping at high drilling speed
· Tin & Zinc based mechanically deposited high anti-corrosive Ruspert Coating to provide additional cover against scratches, gas and weathering
Bi-Metal self-drilling screw austenitic stainless steel
A self-drilling, bi-metal screw capable of tapping threads into the sturdiest of substrates while also achieving maximum rust protection.
The utilization of the hardened, SS410/SS420/carbon steel tip and lead threads eliminate the need for pre-drilling and give way to fast, easy application. This allows builders to use only one tool instead of two, subsequently driving down installation time, labor costs, and tool maintenance costs.
Fastens sheet metal fast: used extensively for side-lap stitching on exposed fastener metal panel roofs.
Environmental protection ruspert coating, which has a 1000-1500 hours' salt spray test time and multi-color matching, it provides a better barrier to prevent the corrosion.
Size |
#10~ #14, 19 ~ 60mm |
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Material |
A2(ss304)/A4(ss316) with ss410/ss420 or carbon steel drill point |
Head Type |
Hex , Flat, Pan, Truss, Round, Hex Washer, Oval, Pan Framing, Bugle, Fillister |
Drive Type |
Phil, Torx, slotted, Phil & Slotted combination, Hex Socket |
Thread |
AB, B, BP, BF, BT |
Finish |
Zinc plated(clear/bule/yellow), black/grey phosphate, nickel, ruspert, painted |
Packing |
Bulk in cartons (25kg Max.) + wooden pallets or according to customer demand. |
Application |
Fastening steel to steel framing profiles with or without intermediate insulation material |
Chemical components | |||||||||
Material | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Other |
201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | N≤0.25 | |
304 | 0.08 | 1 | 2 | 0,045 | 0.03 | 8.0-10.0 | 18-20 | ||
304L | 0.03 | 1 | 2 | 0,045 | 0.03 | 8.0-12.0 | 18-20 | ||
321 | 0.08 | 1 | 2 | 0,045 | 0.03 | 8.0-13.0 | 17-19 | Ti≤5*C% | |
316 | 0.08 | 1 | 2 | 0,045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | |
316L | 0.03 | 1 | 2 | 0,045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | |
309S | 0.08 | 1 | 2 | 0,045 | 0.03 | 12.0-15.0 | 22-24 | ||
410 | 0.15 | 1 | 0.03 | - | 11.5-13.5 | ||||
420 | 0.26-0.4 | 1 | 0.03 | - | 12-14 | ||||
430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 |
Screw Manufacturer in China
Are you looking to buy bulk screws from China? If so, you've come to the right place! SuperFix offers amazing wholesale screw deals to help you fix your projects.
Our high-quality ss screws and self drilling screws are perfect for construction industry, furniture industry, and decoration industry as well as machine and sercurity. No matter what kind of screw you want, based on our extensive experience, we can manufacture it.
Screw Wholesale
- The Ultimate Solutions
SuperFix can produce screws based on various raw materials, such as stainless steel, carbon steel, alloy, etc. As long as you need, SuperFix will give you tailored according to our rich experience in non-standard screw production and design.
We also supply various types of standard screws, whether it is screws to sheet metal, wood, screw into concrete or security screw for license plate.
Hot Sale
Fastener SS304/SS316 Body + SS410/420 Point, Self Drilling/Tapping Roofing Bi-Metal Screw with SS EPDM Washer