1 1/2-12 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (12)

#22 x 6 High Speed Aircraft Bit Cobalt

Over-sized threads are wider than gutter spikes

#3 drill point for quick penetration of aluminum panels without "point walking"

1-8 x 5 A325 Type 1 Heavy Hex Bolt Plain (35) 3/4-10 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1 1/2-12 x 6 L91 8 x 5 A325 Type 1 Heavy Hex Bolt Plain (35) . Heavy Hex A325 structural bolts are designed for steel to steel structural connections. For this reason, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts. Free certs available on request.