Knurled makes nuts embed installed object tightly and stably. Made of high quality brass, it is of high hardness and good durability. High threads is compatible with corresponding screws. Resistant to wear, oxidation and corrosion, long service life. No deformation under great pressure. Product name: Brass Knurled Nut M2-M10 Series Product material: brass Product Quantity: 70pcs Surface treatment: natural color Product use: Insert nuts are widely used in various industries, and are commonly used in various plastic shells such as the automobile industry, medical equipment, consumer electronics, mobile phones, and computers. All kinds of special inserts for thermoplastic and thermosetting plastic parts are suitable for different applications. There are hot melt and ultrasonic inserts, in-mold injection inserts and cold press inserts. Box size: 1256522mm Product weight: about 109g/box Package includes: M24 10PCS M2.55 10PCS M36 10PCS M48 10PCS M58 10PCS M610 10PCS M8*12 5PCS