0.315" x 6-1/4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 RCA Rigid Connector Angles Metal Roofing and Siding: Ideal

Metal Roofing and Siding: Ideal for homes

Engineered with a sharp self-drilling point

WSHL Subfloor Screws

improving ease of use and efficiency

It can also support select deck framing and ledger connection applications where reliable structural anchorage is critical

0.315" x 6-1/4" Strong-Drive SDHR Combo-Head Screw - Zinc, Pkg 100 RCA Rigid Connector Angles Metal Roofing and Siding: IdealThe 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.