Simpson Strong-Tie SDCF8X220-R50 Strong-Drive® SDCF TIMBER-CF Screw — 0.315 in. x 8-5/8 in. T40, E-Coat® (50-Qty) ADV SALES This allows for:

This allows for:

Trim-Head Design: The unique trim-head design offers a clean and finished look

Don't settle for less when it comes to your drilling needs

Superior Strength: The brazed carbide construction guarantees long-lasting sharpness and reduces the need for frequent replacements

Malco Zip-In 8X3/4 Self-Piercing Screws (HW8X3/4Z) are built to deliver

Simpson Strong-Tie SDCF8X220-R50 Strong-Drive® SDCF TIMBER-CF Screw — 0.315 in. x 8-5/8 in. T40, E-Coat® (50-Qty) ADV SALES This allows for:Simpson Strong Tie SDCF8X220 R50 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