420Pcs M3 M4 M5 Threaded Inserts Assortment Kit, Metric Brass Knurled Nuts for 3D Printing Components

420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

420Pcs M3 M4 M5 Threaded Inserts Assortment Kit, Metric Brass Knurled Nuts for 3D Printing Components

Kadrick is a company specializing in fastener production, and our products are sold in all regions of the world. Visit the Store A company specializing in fastener production If you happen to be looking for some reliable fasteners, choose us. Commonly used fastener sets We help our customers to choose the specifications and sizes that are more frequently used, saving your valuable time. Visit the Store Visit the Store Visit the Store Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

Key Features

• ✅ Suitable for 3D printing: Brass threaded inserts, which can be embedded into plastic materials using the heat from a soldering iron or ultrasound, are the optimal solution for adding threads in 3D printing.
• ✅ Common specifications: We have created this set of inserts using a large quantity of M3 inserts combined with M4 and M5 inserts, based on the most commonly used specifications by 3D printing enthusiasts. The heights range from 3mm to 12mm. We hope you will like it.
• ✅ Secure fixation: Our brass threaded inserts are made of high-quality brass and undergo precision processing, ensuring excellent heat conduction and corrosion resistance. Through testing, we have found that compared to straight-threaded inserts, the knurled threaded inserts provide stronger gripping strength and can withstand high levels of tensile force.
• ✅ Clear labeling: Each specification has its own independent compartment in the plastic box, and we have attached labels with detailed annotations for key data, making it convenient to use.
• ✅ Brand guarantee: Kadrick specializes in the production and development of fasteners. Our products have undergone rigorous testing, so you can use them with confidence. Additionally, we provide a 24-month after-sales warranty service. If you have any questions, please feel free to contact us.

✅ Product Dimensions: 2.7 x 5 x 0.9 inches; 8.15 ounces

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

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Customer Support

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We respond within 24 hours on business days.