Simpson 1/4 x 3 Strong-Drive SDS Heavy-Duty Connector Screw SDS25300 PACK:950 Pk What is the head style

What is the head style on these nails

and structural attachment applications in concrete substrates

What types of loads does the RFB#5X16 support

Pin Head Dia

Simpson 1/4 x 3 Strong-Drive SDS Heavy-Duty Connector Screw SDS25300 PACK:950 Pk What is the head styleSimpson Strong Drive SDS Heavy Duty Connector Screw 1 4 in. x 3 in. by Simpson Strong Tie is a high strength structural fastener engineered for demanding connector installations, wood to wood assemblies, and engineered wood applications. The 0. 235 in. shank diameter screw features a corrosion resistant double barrier coating and a Type 17 point that eliminates the need for predrilling, making it a reliable choice for structural framing, joist hanger