Material: Made of 65 Mn steel, it is very strong and durable,500pcs includes eight sizes:M2.5×8, M3×9mm, M4×12mm, M5×12mm, M6×14mm, M8×18, M10×20mm and M12×25mm
Features:The star locking washer with internal teeth adds a spring force between the fastener and the base plate, which will produce greater friction and rotation resistance.
Packing: 500 pcs contains 8 sizes: M2.5,M3,M4,M5,M6,M8,M10,M12, and is equipped with a transparent storage box for easy storage.
Uses: used for shock absorption and insulation of mechanical equipment, furniture, electrical appliances, automobiles and industrial production.
Our products are equipped with storage boxes, which are convenient for storage, and the products are of fine workmanship. If you have any problems in use, please contact us in time, and we will deal with them as soon as possible.