200 Pcs 5/16"-18x25mm Threaded Inserts for Wood for Furniture Reinforcement

Key features

• 200-Piece Set for Woodworking: Upgraded 200-piece set with 5/16 threaded inserts, nut inserts, and wood bolt inserts for versatile woodworking needs.
• M8 Threaded Inserts: M8 internal thread, 0.492" (12.5mm) external diameter, 0.394" (10mm) inside diameter, and 25mm length for industry-standard compatibility.
• Included Tools for Convenience: Each set includes an 11.5mm white steel twist drill and an 8mm hex spanner for quick and precise installation.
• High-Quality Carbon Steel Construction: Crafted from premium carbon steel for superior hardness and long-lasting performance in wood furniture assembly.
• User-Friendly Installation Guide: Pre-drill with the provided bit, ensure hole depth is slightly longer than screw length, and fasten securely with the hex tool.

All-in-One Complete Installation Kit This 5/16"-18 threaded insert set includes threaded inserts, matched twist drill bit and hex Allen wrench as a full installation combo. You won’t need to purchase separate drilling or driving tools to finish assembly jobs. All matching hardware eliminates extra part matching work and shortens your project preparation time. Standard Precise 5/16"-18 Inner Thread Spec Every insert adopts universal industry 5/16"-18 internal thread, compatible with all standard 5/16"-18 machine bolts on the market. Precision tapped inner threads enable smooth screwing in and out without cross-threading or thread stripping. Heavy-Grip External Thread & Anti-Sink Flange Head Full coarse outer threads deeply bite into base materials to deliver strong anti-loosening load-bearing force. Integrated circular flange prevents over-sinking and keeps the insert surface flush with workpieces. Internal hex socket perfectly matches the supplied Allen wrench for stable, uniform torque during installation. Even load distribution avoids splitting or cracking thin panels and soft substrates. Zinc-Plated High-Strength Carbon Steel Material These inserts are made of solid tensi

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