tie wire split drive anchor Material:Carbon Steel,AISI1018 Size:Dia 3/16"-1/2" Length:1 1/2"-4" Anchor size is drill size, no hole spotting, fest to drill and set.For great tensile strength and hardness, it is given two heat treatment.With the two sheared and pre-expanded halves of the anchor, exerting a tremendous gripping force in wall of hole.Any head available as your requirement.The test ...