They are actually stronger than most metal and chemical anchors because the all plastic plug bonds through friction to concrete

3/4 x 18 Hex Lag Screw Hot Dipped Galvanized

1/2-13 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (125)

75 x 240 Socket Cap Screw 12

7/16-20 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300)

1-8 x 18 A307A Hex Bolt Hot Dipped Galvanized Finished Hex Nuts 316 Stainless Steel They are actually stronger than1 8 x 18 A307A Hex Bolt Hot Dipped Galvanized. A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.