Rivet Nuts: Thread Size:M5 x 0.8mm; Total Length:22mm/0.87inch; Head Size:12.7 x 1mm/0.5x 0.04inch(DxT); Rod Diameter(Drill Hole Size):7.5mm/0.3inch; Length after Riveting:9.6mm/0.38inch; Rivet Plate Thickness:0.5-4.5mm/0.02-0.18inch. Material: Multi grip rivet nut is made of 304 stainless steel, pickling passivation treatment, high hardness, oxidation resistance, rust resistance and resistance, and durability, Grade: 4.8. Design: Pre-bulbed design requires less installation load; Fastens in Blind Holes with Knurled Body for Anti-Rotation. Mounting: Drill a hole according to the size of the rivet nut installation hole, insert the rivet nut, and tighten the jack nut with the rivet tool. Pull the bolt so that it expands and binds firmly to the substrate. The expanded head of the nut is larger and can be securely fastened to the plate, it has good load-bearing capacity. Application: Rivet nuts can be firmly fixed on thin sheet metal to provide tight screw locking force, such as sheet metal or non-metallic materials, plastics, wood, etc. Widely used in industry, construction, furniture, electrical appliances, equipment, and so on. Colour:Silver Material:Stainless steel Package Contents: 20 * Rivet Nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.