1/4 x 3 1/2 Mushroom Spike Zinc Plated (100) 1 1/8-12 Socket Cap Screws Alloy the zinc plating can help

the zinc plating can help it perform durably and stand up against the elements over the long-term

3/4-16 x 1 Socket Cap Screw Alloy

1 1/4-7 x 3 Socket Cap Screw Alloy

3/4-10 x 4 1/4 Socket Cap Screw Alloy

1/4 x 3 1/2 Mushroom Spike Zinc Plated (100) 1 1/8-12 Socket Cap Screws Alloy the zinc plating can help1 4 x 3 1 2 Mushroom Spike Zinc Plated (100) . 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