Simpson Strong-Tie SDCF8X140 Strong-Drive® SDCF TIMBER-CF Screw — 0.315 in. x 5-1/2 in. T40, E-Coat® (250-Qty) Diameter:0.315 In. Compatible with SDS-Max systems for

Compatible with SDS-Max systems for easy installation and removal

Heavy-Duty Construction: Designed to handle demanding applications

Versatile Usage: Perfect for deck boards

Coarse Thread Design: Facilitates quick and easy installation into drywall and wood

flat-head screw anchor is a must-have for professionals and DIY enthusiasts alike

Simpson Strong-Tie SDCF8X140 Strong-Drive® SDCF TIMBER-CF Screw — 0.315 in. x 5-1/2 in. T40, E-Coat® (250-Qty) Diameter:0.315 In. Compatible with SDS-Max systems forSimpson Strong Tie SDCF8X140 The redesigned Simpson Strong Tie Strong Drive SDCF Timber CF screw is a structural fastener designed for cross laminated timber (CLT), mass timber construction and general interior applications, providing uncompromised strength for demanding applications. The large flat head with underhead nibs enables clean countersinking and a flush finish. The SawTooth point ensures fast starts, reducing installation torque and