Simpson SDCF TIMBER-CF Screw 0.390 x 19-5/8 in. T50 Yellow Zinc Flat Head Structural Screw 25-Qty Planers Screws are not included with

Screws are not included with the package

The W2 dimension of 3-5/8 in

Variable drilling speed

From structural steel to round stock

Simpson SDCF TIMBER-CF Screw 0.390 x 19-5/8 in. T50 Yellow Zinc Flat Head Structural Screw 25-Qty Planers Screws are not included withThe Simpson Strong Drive SDCF TIMBER CF Screw (Model SDCF271958 R25) is a heavy duty structural fastener engineered specifically for cross laminated timber (CLT) construction, mass timber construction, and general interior applications. Measuring 0. 390 in. in diameter and 19 5 8 in. (500 mm) in length, this fully threaded screw delivers uncompromised strength where demanding structural connections require it most. A proprietary unique point ensures