【Robust and Durable】: The screw nuts and flat rivets with metric thread are made of high-quality stainless steel. They are resistant to rust, which can ensure a long service life. 【Deep Thread】: These deep thread rivet nuts are knurled with a deep thread inside, which effectively fixes and is non-slip. The knurled nut makes it easier to insert into the machine. 【Excellent Installation Tools】: Excellent screw nut installation tools for rivets to make work easier and faster. 【Size and Quantity】: Type: M6; Quantity: 100 pieces. Widely used: The crimp nuts can be easily installed in many types of materials, including steel, plastic, and fiberglass. This product contains 100 pieces of 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 installation tool to make your work easier and faster. Material: Stainless steel Type: M6