Descriptions: Made of carbon steel, zinc plating finish, high hardness and corrosion resistance. Using nylon inserts, these lock nuts greatly reduce loosening under vibration and torque. Used in conjunction with bolts, washers, or screws as fasteners when mechanically joining materials together. Can be widely used in the machinery industry, instruments, electronic products, garage, home appliances, furniture, ship assembly, etc. Product Specifications: Material: Carbon Steel Finish: Zinc Plated Color: Black Thread Size: M8 Thread Pitch: 1.25mm/0.049" Width: 13mm/0.51" Height: 8mm/0.31" Package Content:50 Pcs x Hex Lock Nuts
