Robust and durable: Flat Metric Threaded Rivet Nuts are made of high quality stainless steel. They have superior rust resistance, which can guarantee a long time of use.Deep Thread: These rivet nuts are knurled with deep thread inside, which are effective in fixing and non-slip. The knurled nut makes it easy to insert into the workpiece.Excellent installation tools:Excellent rivet nut installation tools to make the job easier and faster.< /li>Size and Quantity: Kind : M6; Package Quantity: 100pcs.Widely Used: Rivet nuts can be easily installed in many types of materials including steel, plastic and fiberglass. Description Product description: This product contains 100 M6 carbon steel nuts. The knurled nut makes it easy to insert into parts and install on many types of materials, including steel, plastic, and fiberglass. It's a great tool for installation to make your work easier and faster. Material: Stainless Steel Type: M6 Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending the physical object received Delivery Quantity: (according to the main picture)