Typical Hex Head self drilling screw

Typical Hex Head self drilling screw

Typical hex head self drilling screws work as both a drill bit and a fastener. They do not need a pilot hole because of the drill bit end. They work quite well at fastening pieces of metal together.

Parameter:
1. Standard: ISO15480, DIN7504.
2. Material: C1022 with hardened.
3. Head type: CSK, pan, truss, hexagon, round, slotted head.
4. Thread type: Coarse thread, fine thread.
5. Drill tail diameter: 4mm, 6mm, 8mm, 10mm
6. Drill tail length: Depend on your profile
7. Payment: TT, L/C
8. Delivery time: Normally in 30-40 days.
9. Package: Cartons & pallets or according to customer’s requirement.

Advantage:

1.Top threaded section
Extrudes sheeting towards the seal to maximise waterproofness. Grips the sheeting for a secure connection. Stops sheeting from moving when walked on.
2.Dwell section
Prevents the sheeting from riding up during fixing and minimises distortion of the profile.
3.Shank hole enlarger
Enlarges the hole in the sheeting to minimise damage to the protective coating on the screw.