1/4" x 8" Strong-Tie SDS25800-R10 Heavy-Duty Connector Screw - Double-Barrier Coating, Pkg 10 Threaded Rod Direct-to-Concrete Design: No need for

Direct-to-Concrete Design: No need for anchors

this Simpson Strong-Tie F12C200FDB Self-Drilling Flat Head Screw With Wings delivers the performance you expect

Wings on shaft – Counterbores material for easy countersinking

Can be installed vertically or horizontally

1/4" x 8" Strong-Tie SDS25800-R10 Heavy-Duty Connector Screw - Double-Barrier Coating, Pkg 10 Threaded Rod Direct-to-Concrete Design: No need forThe Simpson Strong Tie Strong Drive SDS Heavy Duty Connector Screw is a 1 4" diameter structural wood screw designed for a wide range of connector, wood to wood, and engineered wood applications. Built for strength and speed, the SDS installs without predrilling thanks to its easy driving Type 17 point, which reduces splitting while ensuring consistent performance. Tested and approved in multiple structural applications, the SDS screw features a