Simpson Strong-Tie 0.315" x 11" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 30 Wheel Nets for Large Wheels (17"+) pre-installed lock nuts

pre-installed lock nuts

and stronger

Fastening metal panels to light or medium-gauge steel

Built for speed

cut-to-size applications

Simpson Strong-Tie 0.315" x 11" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 30 Wheel Nets for Large Wheels (17"+) pre-installed lock nutsSimpson Strong Tie SDCFC8X280 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