Product Description --This product contains 100 M6 zinc-plated carbon steel nuts. --The knurled nut makes it easy to insert into workpieces and installation on many types of materials including steel, plastic and fiberglass. --It is a great installation tool to make your job easier and faster . Material: Zinc plated carbon steel Type: M6 Package includes: 100pcs M6 rivet nuts p> Size and Quantity100pcs Zinc Plated Carbon Steel Rivet Nuts, M6, 12mm x 15mm. Sturdy and DurableMetric flat thread rivet nut are manufactured made of high quality zinc plated carbon steel. Threaded insert nuts have superior rust resistance, which can ensure long-term use. Deep ThreadThreaded insert nut assortment is with deep thread inside, which are effective in fixing and non-slip. Threaded rivets make it easier to insert into the workpiece. Excellent Installation ToolsExcellent threaded nut insert installation tools to make your work easier and faster. Widely UsedRivet nuts M5 threaded inserts can be easily installed in many different types of materials, including steel, plastic and fiberglass.