uxcell M6 x 20mm 1mm Pitch Phillips Flat Head Countersunk Bolts Screws 10 Pcs Head Style: Flat Head; Material: Metal; Package Content: 10 x Countersunk Bolts Product Name: Countersunk Bolts; Thread Size: M6 x 20mm(D*L); Weight: 53g Drive Type: Phillips; Main Color: Silver Tone; Thread Pitch: 1mm Total Length: 23mm/0.9"; Head Diameter: 13mm/0.5" Head Height: 2mm/0.08"; Phillips Size: 5mm