uxcell 20 Pcs M12x23mm Half Hex Body Flat Head Blind Rivet Nuts Insert Nutserts Thread Size: (d) M12/ 0.47"; Product Name: Rivet Nut; Material: Carbon Steel, Zinc Plated Weight: 262g; Package Content: 20 x Rivet Nuts; Main Color: Bronze Tone Flange Size (dk*k): 20 x 2mm/ 0.8" x 0.08" (D*Thickness); Thread Pitch: 1.75mm Total Length (L): 23mm/ 0.9"; Hex Body Size (M): 15mm/ 6" Application Hole Size: 13mm/ 0.5"; Round Body Diameter (D): 15mm/ 0.6"