Simpson Strong-Tie 0.315" x 6 1/4" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 50 Specialty Self-Drilling Screws Its patented thread design cuts

Its patented thread design cuts clean into concrete

Lumber Size: Intended for use with Rough Cut 6x posts and beams

Engineered for long-haul reliability

The DSC5 has been designed to optimize fastener location

this angle bracket delivers dependable strength where stair framing needs it most

Simpson Strong-Tie 0.315" x 6 1/4" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 50 Specialty Self-Drilling Screws Its patented thread design cutsSimpson Strong Tie SDCFC8X160 R50 SDCFC TIMBER CFC Screws are engineered for heavy duty fastening in mass timber and CLT construction. Designed for structural performance, these screws are ICC ES code listed and tested for demanding applications including curtain wall framing, nail laminated timber (NLT), and cross laminated timber (CLT) panels. Crafted from high strength carbon steel with a double barrier coating, the SDCFC screw provides excellent