The BlueSpot 120 PCE M6 Rivet Nuts are manufactured from carbon steel. The rivets are ideal for creating a threaded fixing point on any metallic or dense material where tapping a hole would not be suitable due to the depth or accessibility of the area. Ideal for creating a threaded fixing point on any metallic or dense material Suitable for use with a nut riveter BlueSpot manufactures a nut riveter item code 09104.