They can carry twice the weight of a standard wing anchor but only require a ½ inch hole

1-8 x 8 Hex Cap Screw SS 316 (A4)

5/16-18 x 5/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1800)

Coated - Carton (8

3/8 x 4 Powers Round Toggle Bolt Zinc Plated (25)

1-8 x 8 A325 Type 1 Heavy Hex Bolt Plain - Bulk Keg (30) 3/4-10 Socket Cap Screws 316 Stainless Steel They can carry twice theThis 1 8 x 8 A325 Type 1 Heavy Hex Bolt Plain is heat treated for superior strength and features an advanced plain finish for better corrosion resistance. This bulk keg of 30 bolts can be used in a variety of construction and maintenance applications.