Zamac alloy 1/4 x 1 in. hammer screw with Phillips head and carbon steel screw drive. Drill Size 1/4 in. Package of 100.
The Zamac Hammer Screw® is a unique, one-step drive anchor featuring a Phillips head and screw thread. Designed to provide a removable anchor with 40% higher tension load capacities when installed in concrete. Use for concrete, block, brick or stone. Not recommended for ceiling applications.