3.5mm x 25mm Carbon Steel Hexagon Head Self Tapping Screws 100 Pcs Head Style: Hex Head; Material: Carbon Steel; Package Content: 100 (+/-2%) x Self Tapping Screws Product Name: Self Tapping Screw; Thread Size: 3.5mm x 25mm/0.14" x 1"(D*L); Weight: 164g Drive Type: Hex Socket; Main Color: Black; Overall Size: 29mm/1.1"(length) Pitch: 1.5mm; Head Diameter: 6mm/0.24" Head Height: 3mm/0.12"; Hex Width: 3mm/0.12"