Hex nut with opposed slots cut into the top of the nut through the centers of the flats

1/4 x 1 1/2 Phillips Pan Wall-Dog™ Light Duty Anchors Black - Box (100)

1/2-20 x 5 Socket Cap Screw Alloy

#2 drill point for quick penetration of metal up to 0

5/8-11 x 1 1/4 Hex Tap Bolt Silicon Bronze

1/4-20 x 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (100) Premium SDS Plus Hammer Drill Bits Hex nut with opposed slots1 4 20 x 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (100). Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1 4