thus eliminating the need for pre-prepared holes

split drive anchors

7/8-9 x 9 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

5/8-11 x 32 A307A Hex Bolt Plain Steel

5/16-18 x 1 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Package (100) Strong-Point Phillips Drive Trim Head Self Drilling Screw Phosphate Coating thus eliminating the need for5 16 18 x 1 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA Package (100) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion resistant coating, ideal for high performance and structural applications.