uxcell M8x25mm(total length)-20mm(thread length) Stainless Steel Flat Head Hex Socket Countersunk Screws 10pcs Head Style: Countersunk; Material: 304 Stainless Steel; Package Content: 10pcs x Hex Socket Countersunk Screws Product Name: Hex Socket Countersunk Screws; Thread Size: M8x20mm/0.3"x0.8"(D*L); Weight: 102g Drive Type: Hex Socket; Main Color: Silver Tone Thread Pitch: 1.25mm; Total Length: 25mm/1" Hex Socket Width: 5mm/0.2"; Head Size: 16x5mm/0.63"x0.2"(D*T)