Carbon steel, Stainless steel, spring steel, Bronze, brass, copper alloy, aluminum alloy, tinplate, nickel silver
| Material | Carbon steel, Stainless steel, spring steel, Bronze, brass, copper alloy, aluminum alloy, tinplate, nickel silver |
|---|---|
| Surface Treatment | zinc/nickel/chrome/tin plating(colour or natural), Galvanization, anodizing, oil spraying, powder coating, polishing, passivate, brush, wire drawing, painting, etc. |
| Packing | Bulk in cartons (25kg Max.) + wooden pallets or according to customer demand. |
| Application | automotive parts, railroad parts,medical parts, marine parts, lighting parts, pump body, valve parts,architectural parts and furniture parts, etc. |
Electronic components copper busbar metal stamping parts
Application: automotive parts, railroad parts,medical parts, marine parts, lighting parts, pump body, valve parts,architectural parts and furniture parts, etc.
Fastener SS304/SS316 Body + SS410/420/CS Point, Self Drilling/Tapping Roofing Bi-Metal Screw with SS EPDM Washer
Our bi-metal screw is made by welding stainless steel together with SS420 or carbon steel.
Its head and body is composed of 300 series stainless steel for corrosion resistance, and its point is composed of SS420 or carbon steel hardened for self-drilling and self-tapping.
Our sharp point bi-metal screw drill capacity is up to 1mm+1mm galvanized steel plate without pre-dirlling, which improves work efficiency for projects.

The SuperFix Bi-metal Screws are well tested such as:
· Hardness
· Torque test
· Wring Force
· Tensile Strength
· The shear stress
· Extraction resistance and pull through
· Coating thickness SST (up to 1500 hrs)
10-4-8 Wanghai street, Haiyan, Jiaxing
314300 China
Tel: +86-573-86921959
Email: info@drillingscrews.com
We will contact you within 1 working day, please pay attention to the email with the suffix “@drillingscrews.com”.