As the anchor is driven into the hole

The Spike® anchor is a patented

7/8-14 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

7/8-14 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35)

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150)

1-8 x 3 1/4 A325 Type 1 Heavy Hex Bolt Plain (40) 5/8-11 A307 Grade A Timber Bolts Hot Dipped Galvanized As the anchor is driven1 8 x 3 1 4 A325 Type 1 Heavy Hex Bolt Plain (50) . 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.