Product Name: Rivet Nut Thread Size: (D) M5/ 0.2 inch Material: Aluminum Main Color: Silver Tone Application Hole Size (d0): 5mm/ 0.2 inch Flange Size (dk x k): 10 x 1.2mm/ 0.4 inch x 0.047 inch (D x Thickness) Thread Pitch: 0.8mm Total Length (L): 13mm/ 0.5 inch Body Diameter (d): 7mm/ 0.28 inch Flat head cap screws This Nut sert has a flange to provide increased strength in punched and drilled holes Knurled body provides a higher resistance to spin out when installed in soft materials Weight: 256g Package Content: 400 x Rivet Nut 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.