65Pcs 5/16-18 Rivet Nut, Zinc Plated Rivnut Nutserts, UNC Threaded Insert — Open-Box, 10% Off

Premium Zinc-Plated Carbon Steel: Each 5/16-18 rivet nut is made from high-strength carbon steel with a zinc-plated finish for excellent rust and corrosion resistance – dependable for automotive, industrial and everyday projects.

Quick, Secure Blind Installation: Standard 5/16"-18 UNC threads install in seconds with a standard rivet nut tool – no welding, no access to the back side, no backing nuts. Perfect for repairing stripped threads or adding strong mounting points on thin materials.

Flat Head & Knurled Body Design: The flat head creates a clean, flush finish after installation, while the knurled body bites into the hole to prevent spinning. Flat, deep threads make these nutserts easy to fix with anti-slip performance – faster and easier to install.

65 Pcs Complete Kit, Neatly Organized: 65 pieces of 5/16-18 rivnuts packed in sealed plastic boxes with quantity labels inside – no more losing or mixing up your fasteners mid-project.

Wide Applications: Ideal for automotive repair, metal furniture, cabinets, sheet metal fabrication, equipment assembly and DIY projects – on steel, aluminum and other thin-walled materials. A go-to nutsert kit for both professionals and hobbyists.

wwsurpluses 65 Pcs 5/16-18 Zinc-Plated Carbon Steel Rivet Nuts Strong Threads Where You Can't Tap One When your material is too thin to hold a traditional thread, the rivet nut (also known as a rivnut, nutsert or threaded insert) is the answer. Install one from one side and get a tough, reusable 5/16-18 UNC thread in sheet metal, tubing or plastic — no tapping, no welding, no access to the back side required. Built to Hold, Coated to Last - Material: carbon steel, zinc plated - Head style: flat head for a flush, professional finish - Body: knurled shank resists rotation in the hole - Threads: deep-cut 5/16-18 UNC internal threads for a secure bolt grip - Quantity: 65 pieces in one sealed, labeled storage case One Size, Zero Guesswork Unlike assortment kits that leave you with sizes you never use, this single-spec 5/16-18 pack is a pure replenishment buy — the most-used inch size in furniture, automotive and general fabrication work. Where You'll Use Them Furniture assembly and repair · Automotive bodywork and brackets · Machinery and equipment frames · Sheet-metal enclosures and electrical boxes · RV, trailer and boat projects · General DIY around the home and workshop. Install in Four Steps 1. Drill a hole to the recommended diameter. 2. Thread the rivet nut onto your rivet nut tool (hand tool, rivnut gun or drill adapter all work). 3. Insert and pull to deform the body against the back of the hole. 4. Remove the tool — a solid, permanent 5/16-18 thread is ready for your bolt. wwsurpluses promise: consistent sizing, honest quantity and responsive customer support. Add this 65-pack to your cart and keep your project moving.