12PCS 3/8"-16 x 20mm Threaded Inserts for Wood, Hex Drive Nuts

Key features

• High-Strength Carbon Steel: Built from premium zinc-plated carbon steel, offering excellent strength, wear resistance, and corrosion protection for demanding applications
• Precision Machined Threads: Internal and external threads are accurately cut to ensure smooth engagement and proper alignment, reducing the risk of crooked or loose bolts
• Easy Installation with Drill Guide: Recommended drill size: Softwood: 9/16" (14.4mm) Hardwood: 37/64" (14.8mm) Avoid tight holes in hardwood to ensure smooth installation. Drive in with included hex tool
• Designed for Heavy-Duty Use: Ideal for heavy furniture, load-bearing joints, and structural wood connections requiring strong and stable fastening
• Size Details: Internal Thread: 3/8"-16; Length: 20mm. Recommended hole depth: ≥22mm for proper seating

Built with precision external self-tapping threads, these wood insert nuts effortlessly cut clean channels into wooden materials for a tight, interference-free fit. Featuring a standard hex drive design, the inserts deliver stable, uniform force during installation for flush, secure seating without tilting or surface damage. Made of high-quality carbon steel with superior hardness and tensile strength, they offer excellent wear resistance and anti-corrosion performance to ensure long-lasting fastening stability in daily use. Ideal for furniture assembly, woodworking projects, cabinet repair, fixture installation, and homemade wood structure reinforcement, these versatile threaded inserts are essential fastener accessories for all kinds of home and industrial wood repair tasks.

Free shipping included. 30-day hassle-free returns.