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Size:M12x120mm expansion bolt
Thread Diameter 0.47inch/12mm
Total Length 4.72inch/120mm
Expansion Tube Diameter 0.57inch/14.5mm
-Universal replacement anchor assembly for in-ground swimming pool safety covers and mesh covers
-Solid stainless steel anchor assembly,fits 0.31inch/8mm Hole
-Universal replacement pool cover anchor for any safety covers -Designed for concrete and Pavers deck
-Made from high quality 304 stainless steel metal-longer durability in harsh cold weather,humid environment
Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole.
Widely used in fence,burglarproof doors and window,canopy,air conditioning rach fixation,home decoration,engineering,etc.
No rust,no deformation,non-pollution.
How to use:
Put the expansion screw into the ground or the hole on the wall and then tighten the nuts of the expansion bolt with wrench.
The bolt goes outside while the metal sheath does not move.
Thus the bigger head of the bolt will expand the metal sheath, making it fill the whole hole.
Now, the expansion screw can not be pulled out.
Package includes:
2 Pcs Expansion Bolts
$36.19
$ 15 .99 $15.99