- do= Nominal diameter of drill bit.
- Min. td= Recommended drilling depth.
- hef= Effective anchorage depth.
- tfix= Grip range.
- s = Width across flats.
- kN = Load in kN.
- The allowable load is valid for one single anchor, at cracked concrete (tensile zone) with concrete class C20/25, incl. partial safety factor γf= 1,4 and if the Scr, N and Ccr, N are taken in to account.
- Final calculations should comply with the complete European Technical Approval (ETA), this approval is also available on request.