Simpson Strong-Tie 0.390" x 7-7/8" SDCF Timber-CF Flat Head Screw - E-Coat, Black, Qty. 30 HUC/HUCQ Concealed Face Mount Hangers the track stands up to

the track stands up to rust

Marine and chemical processing environments

and their self-piercing sharp point enables easy starting

Installing metal roofing

Insert the bolt through the material so the square neck fits snugly into a square or pressure-fit round hole to prevent spinning

Simpson Strong-Tie 0.390" x 7-7/8" SDCF Timber-CF Flat Head Screw - E-Coat, Black, Qty. 30 HUC/HUCQ Concealed Face Mount Hangers the track stands up toThe Simpson Strong Tie SDCF10X200 R30 SDCF TIMBER CF screw by Simpson Strong Tie is built to meet the structural demands of mass timber construction, including cross laminated timber (CLT), glulam, and laminated veneer lumber (LVL). This fully threaded structural screw provides high strength connections for demanding wood to wood applications, no pre drilling required in most conditions. Key Features: Fully Threaded Design: Ensures even load