uxcell M10 Thread 304 Stainless Steel Rivet Nut Insert Nutsert 20pcs Thread Size: M10/0.4"; Product Name: Rivet Nut Material: 304 Stainless Steel; Weight: 161g Package Content: 20pcs x Rivet Nut; Main Color: Silver Tone Height: 21mm/0.83"; Head Diameter: 17x11mm/0.67"x0.43"(Outer.D*Inner.D) Head Thickness: 2mm/0.08"; Outer Knurling Size: 13x10mm/0.5"x0.4"(D*L)