Simpson 1/4" x 3-1/2" Strong-Drive SDS Heavy-Duty Connector Screw SDS25312 Concrete Spike What surfaces is this bushing

What surfaces is this bushing tool designed to work on

installers can confirm that the rods are properly installed and fully engaged within the nut

How far below the surface is the Heli-Tie countersunk after installation

Approximate Full Charge Time: Two hours

Simpson 1/4" x 3-1/2" Strong-Drive SDS Heavy-Duty Connector Screw SDS25312 Concrete Spike What surfaces is this bushingThe Simpson Strong Drive SDS Heavy Duty Connector Screw in 1 4 in. diameter x 3 1 2 in. length is a high strength structural fastener engineered by Simpson Strong Tie for demanding connector installations, wood to wood assemblies, and engineered wood applications. Featuring a corrosion resistant double barrier coating and a no predrill Type 17 point, this hex head screw delivers reliable performance in structural framing, hardware attachment, and