1/8 x 3 Powers Round Toggle Bolt Zinc Plated (50)

Diameters over 2 1/2 inches have a meet a minimum of 140

Plastic plug bonds through friction to concrete

pre-expanded anchor

3/4-10 x 7 Grade 5 Hex Cap Screw Zinc Plated

3/8 x 2 1/2 Mushroom Spike Zinc Plated (25) 3/4-10 A307 Grade A Carriage Bolts Zinc Plated 1/8 x 3 Powers Round3 8 x 2 1 2 Mushroom Spike Zinc Plated (25) . The Spike anchor is a patented, one piece, tamper proof, vibration resistant anchor for use in concrete, block, brick or stone. Several head styles and anchor materials are available. The Spike anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism. Since the anchor is pre expanded, there is no secondary tightening operation required which