Simpson Strong-Tie SDCF22858 Strong-Drive® SDCF TIMBER-CF Screw — 0.23 in. x 8-5/8 in. T40, Yellow Zinc (250-Qty) Deals Optimal Design: Equipped with under-head

Optimal Design: Equipped with under-head nibs and a fast-start tip

Excellent Withdrawal Resistance: Designed with fully threaded construction

Robust Design: Engineered with a bugle head and star drive

Don't compromise on strength and reliability

Simpson Strong-Tie SDCF22858 Strong-Drive® SDCF TIMBER-CF Screw — 0.23 in. x 8-5/8 in. T40, Yellow Zinc (250-Qty) Deals Optimal Design: Equipped with under-headDiscover the Simpson Strong Tie SDCF22858 Strong Drive SDCF TIMBER CF Screw Engineered for excellence, the Simpson Strong Tie SDCF22858 Strong Drive SDCF TIMBER CF screw is your go to solution for superior fastening in timber construction. Heres why this product stands out: Key Features: Robust Design: Available in a variety of lengths, designed specifically for cross laminated and mass timber construction. Unmatched Strength: Diameter options of 0.