1., What is a hexagon socket bolt? The outer edge of the head of the hexagon socket bolt is round, and the middle is a recessed hexagon. According to the stainless steel material, there are 201, 304 and 316 stainless steel. In short, hexagon socket bolts are mainly used in electrical appliances, mechanical equipment, furniture and other fields., 3., What are the grades of hexagon socket bolts? The performance grades of hexagon socket bolts are divided into more than 10 grades, such as 3., 6, 4., 6, 4., 8, 5., 6, 6., 8, 8., 8, 9., 8, 10., 9, 12., 9, among which bolts of grade 8., 8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (quenched, tempering), commonly known as high-strength bolts, and the rest are commonly known as ordinary bolts. Notice: Please view the detailed information of the linked product for the specific size. Commonly used in machinery, it mainly has the advantages of easy fastening, disassembly, and not easy to slip corners. Material: 304 Stainless Steel; Package Content: 120(+/-2%)pcs x Hex Socket Head Cap Screw Drive Type: Hex Socket Cap Head; Head Style: Socket Cap Head Material: 304 Stainless Steel; Package Content: 55( /-2%)pcs x Hex Socket Head Cap Screw Product Name: Hex Socket Head Cap Screw; Thread Size: M2 x 12mm/0.08″ x 0.47″(Dia*L) Weight: 21g; Main Color: Silver Tone Thread Pitch: 0.4mm; Model: DIN912 Designed with hex socket head and … Continue reading Uxcell M2x12mm 0.4mm Pitch 304... DIN Standard Screws Series - Industrial Pro Supply M2x12mm 0.4mm Pitch 304 Stainless Steel Hex Socket Head Cap Screw DIN912 55pcs ; MPN. Does Not Apply ; Brand. Uxcell ; Model, DIN912 ; Material, 304 Stainless Steel DIN912 Hardware RS PRO Black, Self-Colour Steel Hex Socket Cap Screw, DIN 912 M2 X 12mm 0.4mm Pitch Machine Screws Silver Product Name: Hex Socket Head Cap Screw; Thread Size: M2 x 12mm/0., 08 x 0., 47(Dia*L) It is usually used with a hexagon wrench.