uxcell M4x69mm Hex Socket Flat Head Countersunk Bolts Screw 10pcs Drive Type: Hex Socket; Head Style: Flat Head; Material: Stainless Steel Package Content: 10pcs x Countersunk Bolts; Product Name: Countersunk Bolts; Thread Size:M4x69mm/0.16"x2.72"(Thread.D*Total.L) Weight: 56g; Main Color: Silver Tone Thread Pitch: 0.7mm; Head Socket: Hex Socket Hex Socket Width: 2.5mm/0.1"; Head Size: 8x3mm/0.3"x0.12"(D*H)