Simpson 1/4" x 1-1/2" Strong-Drive SDS Heavy-Duty Connector Screw SDS25112 HL Heavy Angles Full round head (9/32" diameter)

Full round head (9/32" diameter) - maximizes bearing surface against the wood

where the bottom of the base plate sits flush with the concrete surface for full post bearing

Width 1: 11-1/2 in

The Type 316 stainless steel construction makes this screw the right choice for marine environments

The QDPROSDX150G2 is available either as a standalone attachment or as part of the PROSDX150G2 steel-decking system

Simpson 1/4" x 1-1/2" Strong-Drive SDS Heavy-Duty Connector Screw SDS25112 HL Heavy Angles Full round head (9/32" diameter)The Simpson Strong Drive SDS Heavy Duty Connector Screw (1 4 in. x 1 1 2 in.) by Simpson is a high strength structural fastener engineered specifically for securing Simpson Strong Tie connectors with speed, reliability, and long term corrosion resistance. With a 0. 235 in. shank diameter, serrated threads, and a self starting Type 17 point, this connector screw drives fast and holds firm eliminating the need for predrilling and reducing installation