Concrete screw hexagon head ETA Opt 1

Our CE marked concrete screw is a powerful and flexible fastener for concrete. Cracked, uncracked or reinforced. The screw has a hexagonal head with flange and is inserted directly into pre-drilled holes without the need for a torque wrench.

The screw can be removed and reused allowing temporary installation.  
As the screw does not expand, it works well at short edge distances.

We provide the screw in the following surface treatments:

  • Bright zinc-plated (BZP)

  • Acid-resistant (A4) - The blue tip on the A4 screws marks the transition between stainless steel for corrosion protection and hardened carbon steel for better grip and easy installation in concrete.

  • Atlantis (C3)

Concrete screw with Atlantis C3-H surface treatment, for dry indoor environments (50-year lifespan) or in C3 outdoor environments according to ISO 9223 (25-year lifespan). The concrete screw has fire rating R120.                                                                              

Abbreviation
Explanation
 
Abbreviation 
Explanation
 d0
Drill diameter
 
 hnom
Min. installation depth
 df
Clearance hole diameter Ø
 
 hmin
Min. concrete thickness
SW Width across flats  
 hef
Effective installation depth
h1 Min. drill depth  
 tfix
Max. installation thickness
Tinst Tightening torque      

* See the explanatory text in the respective document.