100pcs M3 x L4 x D4.5 Brass Knurled Nuts, Industrial Grade, Gold, Right Hand, Fine Pitch, Fully Threaded, Heat Set Inserts for Plastic & 3D Printing Components

Quality & Sincere Service: SWZHAI is committed to providing you with 100% satisfactory after-sales service, and provides a 30-day risk-free replacement service for brass threaded inserts, allowing you to shop worry-free. SWZHAI M3 Threaded Inserts, M3 x L4 x D4.5 Female Thread Metric Knurled Nuts Brass Threaded Inserts for Plastic and 3D Printing Components, Insert by Heat into Plastic Parts (100 Pack) Specification: Material: high quality brass Color: Brass Size: M3 x L4 x D4.5 Female Thread Package Include: 100 Pack M3 Threaded Inserts

• Quantity and Size: You will receive 100pcs of M3 brass thread inserts, M3 thread size, with a length of 4mm and an outer diameter of 4.5mm. The threaded sleeves can be inserted by ultrasonic and heat embedding
• Durable and Corrosion-Resistant: The heat inserts are made of high quality brass, which ensures excellent heat conductivity and corrosion resistance. The knurled threaded inserts for plastic provide a stronger grip and can withstand high levels of tensile force
• Precision Craftsmanship: The design of the spiral knurled nut inserts provides high tightening torque and does not fall off easily when turned. The embedded nuts have guide elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient
• Wide Application: The M3 heat set insert can be inserted into various plastics, such as PC, PA, PLA, ABS, PETG, etc. These inserts find applications in 3D printers, electric moulding machines, automotive plastic shells, and laptop moulds
• High Quality Service: We are committed to providing you with high quality products that are worth every penny. If for any reason you are not satisfied with the heat set inserts, please feel free to contact us. We will deal with your questions appropriately