uxcell M6 Stainless Steel Flat Head Rivet Nut Insert Nutsert 100pcs Thread Size: M6/0.24"(Thread.D); Product Name: Rivet Nut Material: 304 Stainless Steel; Weight: 360g Package Content: 100(+/-2%)pcs x Rivet Nut; Main Color: Silver Tone Height: 15mm/0.6" Flat Head Diameter: 12x7mm/0.5"x0.28"(Outer.D*Inner.D)