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 is an excellent tool for installation to make your work easier and faster. Material: stainless steel Sturdy and durable: The flat metric threaded rivet nuts are made of high quality stainless steel . They have superior rust resistance, which can ensure a long using time. Deep Thread: These rivet nuts are knurled with deep thread inside, which are effective for fixing and non-slip. The knurled nut makes it easier to insert into the workpiece. Excellent installation tools: Excellent rivet nut installation tools to make the job easier and faster.< /p> Size and quantity: Type: M6; Package quantity: 100pcs. Widely used: The rivet nuts can be easily installed in many types of materials, including steel, plastic and fiberglass.