sa 13 a concrete steel anchorref : sa 13 a details material: stainless steel and alloy steel concrete steel anchor sa 13 a can be installed on a steel structure & concrete wall having thickness upto 340mm by drilling a hole of dia 25mm. can be installed easily with one hand without use of any tools and fasteners is provided with green indicator band which becomes visible when the installation is complete to indicate fool-proof safety. minimum breaking (system) strength: 5000 lbs./25kn net weight : 1250±10gms conforms to en 795:2012 type b & ansi z