0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers Constructed from high-quality stainless steel

Constructed from high-quality stainless steel

Sharp point – Penetrates hardwood and treated lumber with ease

Projects requiring ledger attachment that bypasses non-structural veneer

Drive screws flush to the sheathing surface without overdriving

5" asphalt thickness is common for walkways and parking lots

0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers Constructed from high-quality stainless steelThe Simpson Strong Tie Strong Drive SDCFC Timber CFC Screw is built tough for wood projects like mass timber, cross laminated timber (CLT), or other heavy framing jobs. These extra long screws sink in smooth and stay strong. The compact cylinder head sits flush with the surface, giving your project a clean finish without bulky hardware sticking out. The fully threaded design grabs tight for maximum holding power, while the sharp tip starts fast and