0.315" x 4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 connector screws adjustment

adjustment

and more reliable

making these hangers ideal for both interior and exterior applications

Strong-Tie SDS-Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete

marking the locations for the fasteners

0.315" x 4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 connector screws adjustmentThe 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.