NEW 200pcs Knurled Nut M2 M2.5 M3 Threaded Insert Nuts Female Round Nuts Brass Cylinder Knurled Insert Nuts Embedded for Injection Molding, 3D Printing or Automotive These knurled nuts have a knurled shape on both ends to increase the friction of the insert, which becomes tighter and tighter is. The thread is clean, precise and free of burrs. Widely used on plastic casings of communication equipment, plastic casings of home appliances, automobiles, electrical appliances, medical casings, electronics and other casings.Plastic third. Specification: Color: Gold Material: Brass Size: M2 M2.5 M3 Quantity: 200pcs Package Contents: 20pcs M23 20pcs M24 20pcs M25 20pcs M2 6 20pcs M2.53 20pcs M2.54 20pcs M2.55 20pcs M2.56 20pcs M34 20pcs M35 1pcs * Plastic box Note: Small parts can be kept out of the reach of children under 6 years old. If you have any questions, please leave your messages. We promise to reply you within 24 hours and offer you the best service.