Sleeve Anchor is designed them to anchor into concrete, Brick and block. They work by inserting them into a hole Drilled into concrete.
Turning the nut pulls the working end of the sleeve anchor Up through the sleeve. Expanding and anchoring itself Securely in the concrete. Brick or block.
For fixing to
Stainless Steel 304 (A2)
Carbon Steel 4.8 grade, Yellow Zinc-Plated 5 μm
Carbon Steel 4.8 grade, Darcomet