Simpson Strong-Tie SDCFC8X380-R30 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 corrosion protection for dry interior environments. Its fully-threaded design and compact head allow for high-strength connections with minimal visual impact-perfect for exposed applications where aesthetics matter.

Whether you’re building commercial timber structures or intricate wood assemblies, these structural wood screws offer performance you can trust.

Key Features:

• Fully-Threaded Design: Offers uniform load distribution and high withdr