0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers Large Washer Head – Delivers

Large Washer Head – Delivers strong clamping force and helps prevent pull-through

1/4" hex washer head provides excellent driving stability

5" asphalt thickness is common for walkways and parking lots

Drive screws flush to the sheathing surface without overdriving

Projects requiring ledger attachment that bypasses non-structural veneer

0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers Large Washer Head – DeliversThe 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