Bi-metal hex washer head self-drilling screw
- Similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole. Designed for use in soft steel or other metals. The points are numbered from 1 through 5, the larger the number, the thicker metal it can go through without a pilot hole. For example, 5-point can drill a 0.5 inch (12.7 mm) of steel
- Stainless Steel 304(A2)+1022/ 316(A4)+435
- RSP or Tufcote coatings provide extended corrosion resistance.
- Sandwich Panel screw(Hi&Low threading) is designed to attach insulated foam panel with steel purlins in 12. 5 mm. Best used in Heavy metal frame application
- Can be made with different standards, such as ISO, DIN, ASM/NZS, GB, ANSI, BS and special standard according to the drawing
- Diameter: 2.9-6.3mm
- Measurement system: Inch, Metric
- Screw Driver Speed: Maximum 1800R. P.M
- Hex drive for controlled traction with a socket or wrench
- (construction) A fastener that taps and drills its own hole during application
- The points are numbered from 1 through 5
- Service: Customized a different part of the screw, as different head sizes, different lengths, and different threads
- Usually we pack in small plastic bag, then put into cartons, if you need pallet, we will pack for you.
- Some items we use small box. then put into cartons.
- If you customize special products, we use bulk pack then put into cartons.
- Offer special retail package.
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