Multi-Material No. 8 Label X 1-1/2 In. L Unidrive Flat Head Serrated Construction Screws

The Spax No. 8 x 1-1/2 In. Flat Head Multi-Purpose Screw is a versatile fastening solution engineered for a wide range of interior construction and repair applications. Whether you're working with wood, metal, plastic, concrete, or masonry, this zinc-plated steel screw delivers reliable performance across multiple materials. The flat head design allows for a clean, flush, or countersunk finish that enhances the appearance of your projects while maintaining structural integrity.

Designed for both professional contractors and DIY enthusiasts, these screws feature a patented thread technology that enables faster driving and easier installation. The ribbed underside of the head prevents stripping, ensuring a secure hold every time you drive the fastener. With a 1-1/2 inch length, this size provides the perfect balance of strength and versatility for securing materials without risk of over-penetration, making it ideal for furniture assembly, fixture installation, and general repairs.

Features and Benefits

• Combo Drive: Phillips/Square (Unidrive) head works with either Phillips or square drive bits, giving you flexibility in tool selection.
• Flat Head Design: Sits flush when countersunk, providing a clean, professional appearance suitable for visible applications.
• Ribbed Head: The ribs on the underside of the head eliminate stripping issues, ensuring consistent, secure fastening.
• Zinc-Plated Finish: Corrosion-resistant coating makes these screws suitable for interior construction and repair projects.
• Multi-Material Use: Steel core fasteners work reliably in wood, metal, plastic, concrete, and masonry applications.
• Fast Driving: Patented thread technology allows for quicker installation and easier driving.

Specifications

• Brand: Spax
• Model: 4101010400402
• Size: No. 8
• Length: 1-1/2 inches
• Head Type: Flat
• Drive Type: Phillips/Square Combo (Unidrive)
• Material: Zinc-plated steel
• Pack Quantity: 25 screws