Index, Through Bolt Anchor, Stainless steel A4, ETA – Opt. 1 Certified

Metal expansion anchor with male thread for high loads in cracked and non-cracked concrete. Installation by controlled torque. ETA Opt.1 assessed for structural fixings in concrete. Shaft and clip made of A4 stainless steel, ensuring durability in a wide range of environments.

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Numero articolo
marca	Index
Material	Stainless steel
Approval	ETA Option 1
Thread	Metric thread
Info	Code = Letter code marking d_o= Nominal diameter of drill bit d_f= Diameter of clearance hole in the fixture h₁= Depth of drilled hole to deepest point h_nom= Minimum hole depth h_ef= Effective anchorage depth t_fix(max) = Grip range s = Width across flats ring ø = Washer diameter S_cr,N = Spacing characteristic C_cr,N = Edge distance characteristic S_min.= Minimal spacing C_min.= Minimal edge distance N_rec= Recommended load in kN T_inst= Tightening torque in Nm The allowable load (N_rec) is valid for one single anchor, at non-cracked concrete (pressure zone) with concrete class C20/25, incl. partial safety factor γ_f= 1,4 and if the S_cr,N and C_cr,N are taken in to account. When reduction on spacing and edge distance take place a re-calculation of forces should be carried out by making use of the technical guide, they are available on request. Final calculations should comply with the complete European Technical Approval (ETA), this approval is also available on request.
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Specifiche

marca	Index
Material	Stainless steel
Approval	ETA Option 1
Thread	Metric thread
Info	Code = Letter code marking d_o= Nominal diameter of drill bit d_f= Diameter of clearance hole in the fixture h₁= Depth of drilled hole to deepest point h_nom= Minimum hole depth h_ef= Effective anchorage depth t_fix(max) = Grip range s = Width across flats ring ø = Washer diameter S_cr,N = Spacing characteristic C_cr,N = Edge distance characteristic S_min.= Minimal spacing C_min.= Minimal edge distance N_rec= Recommended load in kN T_inst= Tightening torque in Nm The allowable load (N_rec) is valid for one single anchor, at non-cracked concrete (pressure zone) with concrete class C20/25, incl. partial safety factor γ_f= 1,4 and if the S_cr,N and C_cr,N are taken in to account. When reduction on spacing and edge distance take place a re-calculation of forces should be carried out by making use of the technical guide, they are available on request. Final calculations should comply with the complete European Technical Approval (ETA), this approval is also available on request.

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