M6 x 20mm Phillips Flat Head Countersunk Bolts Machine Screws 20pcs Head Style: Flat Head; Material: 304 Stainless Steel; Package Content: 20 x Phillips Head Screw Product Name: Phillips Head Screw; Thread Size: M6 x 16mm(D*L); Weight: 81g Drive Type: Phillips; Main Color: Silver Tone Thread Pitch: 1mm; Total Length: 20mm/ 0.8" Head Diameter: 11mm/0.43"; Head Height: 4mm/0.16"