these bolts provide secure fastening

3/4-10 x 3 1/2 Flat Socket Cap Screw Alloy

M18 Flat Washer Metric ASME B18

It is a bulk keg of 150 pieces and perfect for your heavy-duty needs

Hex Impact Shank OAL-3-1/8” Drilling-1 1/4 in

1/4-20 x 2 1/2 Proferred Indented Hex Washer Head Unslotted Self-Drilling Screw #5 Point Fully Threaded Zinc Cr+3 Plated - Carton (1000) 1/4-20 Socket Cap Screws Alloy these bolts provide secure fasteningMeasuring 1 4 20 x 2 1 2 inches this professional grade self drilling screw is forged from case hardened steel for maximum shear strength and performance. Its aggressive #5 drill point is designed to efficiently drill and tap into thick gauge metal and structural steel sections eliminating separate drilling operations. The screw features an unslotted indented hex washer head for a secure grip with standard driving tools and a wide load distribution