M6 x 70mm 304 Stainless Steel Hex Socket Countersunk Head Sleeve Anchor 3PCS

Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Expansion type anchors used to fasten fixture into a variety of base material. Widely used in fence burglarproof doors and windows canopy air conditioning rack fixation home decoration engineering etc.