Concrete Screw 8x90 40/25 SK A4

- High-quality next generation A4 acid proof concrete screw with a countersunk head for demanding outdoor use.
- Diameter according to drill size.
- Ultra hard tip facilitates quick and safe installation.
- Unique thread toothing bites into concrete efficiently and quickly. Also suitable for multi point installations and reinforced concrete.
- Acid proof steel ensures excellent corrosion resistance in demanding conditions.
- CE/ETA approved Eta Option 1 approval for cracked and uncracked concrete. Fire rating R120. C1 and C2 safety standards for seismically active areas.
- More available immersion depths facilitate using the same screw for fastening materials of varying thickness.
- The approval guarantees that the concrete screw can be pulled out from 20 mm depth twice and used to refix a max. 10 mm piece.
- A countersunk head for a finished look.

Application
- Recommended for push-through installation.
- No need to clean drill holes in floor and ceiling installations. When drilling into the floor, the hole must be 3 x deeper than the screw diameter.

Applications
Outdoors structures in humid environments, pillar and post shoe installations outdoors.