We EAGLEMETALWARE professionally produce EG 12.9 alloy hex socket head cap screw and anchors. Footstone: Concrete & Natural Hard StoneMaterial: steel & stainless steelUsuage: Extensive use for perforation type's fastening. Such as metal frame, profiled bar, wall mounting, soleplate, bracket, machines, beam, angle iron, track etc. You can adjust the embedded depth accoeding to the fixity's ...