uxcell M5x13mm Knurled Body Flat Head Blind Insert Rivet Nuts 100pcs Thread Size: M5/0.2"(D); Product Name: Rivet Nut Material: Carbon Steel, Zinc Plated; Weight: 175g Package Content: 100(+/-2%) x Rivet Nut; Main Color: Bronze Tone Flange Size: 10 x 1mm/0.4" x 0.04" (D*Thickness); Total Length: 13mm/0.51" Body Diameter: 7mm/0.28"