Phosphorus: Maximum 0

1-12 x 2 1/2 Socket Cap Screw Alloy

The carbon steel pin and mushroom head configuration make this anchor tamper resistant

1 1/8-7 Slotted Hex Nut Zinc Plated

Over-sized thread diameter tightly fills the existing spike holes for better holding strength and a watertight fit #3 square drive virtually eliminates cam-out during hard to reach installations Durable UV resistant white and brown head paint matches most gutter systems Thick galvanized base coating guaranteed not to rust or react with aluminum Free driver bit included American made

1/4 x 4 Flat Split Drive Anchor Mech Galv(100) 1 3/4-5 Socket Cap Screws Alloy Phosphorus: Maximum 01 4 x 4 Flat Split Drive Anchor Mech Galv(100) . The Split Drive Anchor is a one piece anchor with a split type expansion mechanism on the working end. As the anchor is driven into the hole, the expansion mechanism compresses and exerts force against the walls of the hole. This anchor can be installed in concrete, grout filled block and stone. Made of heat treated carbon steel and available in both zinc plated and mechanically galvanized finishes.