0.315" x 6-1/4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 25 Balusters Flush Finish – Flat head

Flush Finish – Flat head with underhead nibs ensures smooth countersinking

The pre-deflected geometry virtually eliminates material stretch

the HL angle accommodates a range of load requirements and project needs

and residential projects

0.315" x 6-1/4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 25 Balusters Flush Finish – Flat headThe 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.