uxcell M5x12mm Hex Socket Flat Head Stainless Steel Countersunk Bolts 50Pcs Head Socket: Hex Type; Hex Size: 3.5mm/0.14"; Drive Type: Hex Socket Head Style: Flat Head; Material: Stainless Steel; Package Content: 50(+/-2%)Pcs x Countersunk Bolts Product Name: Countersunk Bolts; Thread Size: 5x8mm/0.2"x0.3"(D*L) Weight: 108g; Main Color: Silver Tone Thread Pitch: 0.8mm; Total Size: 10x12mm/0.4"x0.47"(Max.D*l)