Flat head cap screws, M6 female thread diameter, 12mm total length, zinc plated surface,carbon steel rivet nut.This Nutsert has a large flange to provide increased strength in punched and drilled holes.Knurled body provides a higher resistance to spin out when installed in soft materials.Thread Size: (D) M6/ 0.24inch.Product Name: Rivet NutMaterial: Carbon Steel, Zinc PlatedColor: Bronze ToneTotal Length (L): 12mm/ 0.47inchBody Diameter (d): 9mm/ 0.35inchApplication Hole Size (d0): 7mm/ 0.28inchFlange Size ( x k): 12 x 1mm/ 0.47inch x 0.04inch (D x Thickness)Thread Pitch: 1mmWeight: 290gPackage Content: 100 x Rivet NutOnly the above package content, other products are not included.Note: Light 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.