3/8" x 3-1/2" Pin-Drive Expansion Anchor, Yellow Zinc Plated, Pkg 50 Collated Cement Board Screws Optimized thread and point geometry

Optimized thread and point geometry for consistent engagement and reduced stripping

attaching metal panels

Positive Stop: Ensures even threading for balanced load transfer

The Simpson SS4

Framing & Structural Support: Provides secure connections for floor and ceiling joists in residential and commercial buildings

3/8" x 3-1/2" Pin-Drive Expansion Anchor, Yellow Zinc Plated, Pkg 50 Collated Cement Board Screws Optimized thread and point geometrySimpson pin drive expansion anchors are coated in yellow zinc dichromate and used for medium and heavy duty fastening applications into concrete and grout filled block. California Residents: WARNING