Low profile head diameter is twice the rivet body diameter

8 x 1 5/8 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

3/4-10 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (20)

5/8 x 17 ITM SDS Max X-Cutter Hammer Drill Bit

The T25 design offers superior corrosion resistance and is perfect for exterior applications

1/4 x 1 Simpson Mushroom Head Crimp Drive® Anchor Zinc Plated Carbon Steel - Box (100) Spike Impact Anchors 316 Stainless Steel Low profile head diameter isSimpson's 1 4 x 1 Mushroom Head Crimp Drive Anchors are made of zinc plated carbon steel and come in boxes of 100. Their unique design offers outstanding performance, perfect for high cycle applications and easily drives into concrete with standard tools.