Sleeve anchors

→ The washer is wide, which gives a bigger allowance for pleces or structures to be fastened.
→ While performing the fixing of the anchor, the plastic ring gets deformed. which fills and blocks the hole of the plece for structure to be fastened;this plastics absorbs material irregularities, and-in addition-it is a useful damp-proof plece to inner mechanism of the anchor.
→ Any screw head available as your requirement.
→ The cone has some grooves(milled)in order to prevent the anchor from loose or spin movement after fixing into the hole and ready to expansion.