Simpson Strong-Tie 0.390" x 12-1/2" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 150 Trim Head Collated Wood Deck Screws Working Load Limit (WLL): 3

Working Load Limit (WLL): 3

With a low-profile pancake head and self-drilling tip

Self-Tapping Threads: No pre-drilling needed

The ratcheting mechanism makes it easy to apply the exact amount of tension you need—something cam straps can’t match—so your load stays secure every time

Pergolas and patio structures

Simpson Strong-Tie 0.390" x 12-1/2" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 150 Trim Head Collated Wood Deck Screws Working Load Limit (WLL): 3Simpson Strong Tie SDCFC10X320 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