0.315" x 4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 16 Gauge Straight T-Head Finish Nails and applications with moderate exposure

and applications with moderate exposure to moisture

Corrosion Resistance: Built to perform in exposed outdoor environments

these hangers provide reliable corrosion resistance for interior and exterior applications

75H-KT is a high-performance concealed beam hanger kit designed for wood-to-wood connections in mass timber applications

helping save time and improve accuracy

0.315" x 4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 16 Gauge Straight T-Head Finish Nails and applications with moderate exposureThe Simpson Strong Tie Strong Drive SDHR Combo Head Screw is made for serious wood projects like cross laminated timber (CLT), mass timber, and other big framing jobs. The unique combo head design gives you flexibility, with a choice to drive it with either a hex bit or a T40 6 lobe bit. A knurled shank helps lock the screw in place, and the sharp Type 17 point starts fast, reduces driving torque, and often eliminates the need for predrilling.