The Tenn Alligator Hammer-in Plug combines a screw-nail of the correct diameter and a thick-walled sleeve made of Polyamide 6-6 to provide a hammer-in plug with dramatically increased holding power compared to other hammer plugs.

Owing to sleeve’s circular cross-section, the forces exerted by the screw are fully transmitted around the plug to the wall of the drill-hole. Most other hammer plugs transmit compressive pressure to the wall of the drill-hole only along the thickest portion of the plug but with Tenn Alligator Plugs, expansion and compressive power are generated along the total embedment.

The expander screw compresses the plastic into the screw threads thereby forcing outward pressure along the embedment. The external blocks are pressed onto the surface of the hole and locks up with any undercuts in the hole.

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