ASSY 4 CS Full-Thread Countersunk Screw – Galvanized Steel (Interior Use)

Precision Fastening for Wood & Panel Applications

The ASSY® 4 CS Full-Thread Screw is engineered for maximum hold and durability in woodworking, cabinetry, and interior construction. Made from galvanized steel, it delivers superior grip strength and corrosion resistance for dry and sheltered environments, ensuring long-lasting, professional-grade fastening.

Key Features:

• Full Thread Design – Enhanced holding power across the entire length for secure fastening.

• RW Slot Drive – High torque transfer with reduced cam-out (compatible with AW bits).

• Precision Countersunk Head – Flush finish with perfect 90° seating in pre-drilled holes.

• Galvanized Steel Construction – Corrosion-resistant for durability in interior applications.

• Split-Resistant Threads – Dome-shaped milling ribs minimize wood cracking.

• ETA-11/0190 Approved – Meets European Technical Approval standards for reliability.

Technical Specifications:

• Material: Galvanized Steel

• Drive Type: RW Slot (AW bit compatible)

• Thread Type: Full thread with asymmetrical geometry for deeper bite

• Head Type: Countersunk (pressure-soaked to prevent overtightening)

Ideal Applications:

• Furniture Assembly & Cabinetry – Secure joints without splitting.

• Interior Wood Framing – Strong, reliable fastening for structural integrity.

• Panel-to-Substrate Fastening – Ideal for plywood, MDF, and engineered wood.

• Hardware Installation – Perfect for hinges, brackets, and fixtures.

Usage Guidelines:

✔ Best for: Indoor woodworking, dry/sheltered environments.
✖ Not recommended for: Outdoor/exposed applications, high-humidity areas, or plastic dowels.

Why Professionals Choose ASSY® 4 CS:

 Faster Installations – RW slot reduces cam-out for efficient driving.
 Stronger Joints – Asymmetrical thread maximizes pull-out resistance.
 Cleaner Results – Countersunk head eliminates tear-out for smooth finishes.