#10 X 4 In. R4 Self-Countersinking Flat-Head Multi-Purpose Screw (50 Per Pack)

The GRK Fasteners R4 multi-purpose screw is a versatile fastener designed for professional contractors and DIY enthusiasts who need reliable performance across multiple materials and applications. With its star drive and countersunk flat head, this screw delivers a secure grip. The Climatek-coated steel construction provides enhanced corrosion resistance, making these screws suitable for both indoor and outdoor projects.

Whether you're framing new structures, installing decking, or tackling remodeling projects, the R4 screw works with wood, particle board, plastic, sheet metal, and cement fiber board. The W-Cut thread design allows you to fasten through a wide range of material types, making it a practical choice for mixed-material work.

Features and Benefits

• Star Drive (T25): The star drive style ensures a secure grip and reduces the risk of stripping during installation.
• Countersunk Flat Head Design: The flat-head geometry works across multiple fastening applications in wood, metal, and composite materials.
• W-Cut Thread Design: This thread pattern is engineered for multi-material fastening applications.
• Climatek Coated Steel: The protective yellow coating guards against rust and corrosion on wood, metal, and composite materials, extending the life of fastened assemblies.
• Multi-Material Compatibility: Designed for use in wood, particle board, plastic, sheet metal, and cement fiber board, reducing the need for multiple screw types on mixed-material projects.

Specifications

• Brand: GRK Fasteners
• Model: 103141
• Thread Size: #10
• Length: 4 in.
• Thread Length: 2.99 in.
• Thread Type: W-Cut
• Head Type: Countersunk, flat
• Drive Type: Star, T25
• Material: Steel with Climatek coating
• Color: Yellow
• Package Quantity: 50 pack
• Applicable Materials: Wood, particle board, plastic, sheet metal, cement fiber board