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Contact Us Add to Favorite Welcome to HOF & CO SHOP Fast Shipping Hassle Free Return eBay Money Back Guarantee Authenticity Guarantee Ruthex #4-40 Threaded Inserts - 100 Pieces RX-4-40x5.7 Brass Heat Set Insert For Plastic Parts - Inches UNC Knurled Nuts - Insert By Heat Into 3D Printing Components Features #4-40 THREAD INSERTS FOR YOUR 3D PRINTED PARTS: The ruthex threaded nuts can be retrofitted by heat or ultrasounds into parts of 3D printers from e.g. Anycubic or Prusa. With the help of heat from a soldering iron or ultrasounds, the knurled insert nuts are simply embedded in a blind- or through hole. FIRM HOLDING WITH EASY APPLICATION: Thanks to the geometry of the threaded sleeve, it holds firmly in the pressure part. The opposing spiral-shaped knurled nuts ensure a high balanced tightening and loosening torque, as well as a high tightening force. The guide, insertion has been greatly simplified. STABLE & LONG-LASTING THREAD INSERTS: The inserts with internal thread lead free brass, which ensures optimum corrosion resistance and thermal conductivity. thermal conductivity. This means that each insert nut can be used for a long time and is easy to use. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed. SUITABLE FOR A VARIETY OF PLASTICS: The inserts are designed for all thermoplastics. For example, the knurled nuts hold in PLA, PETG, ABS, PPS, PP and many more. As soon as the plastic of the part around the brass sleeve cools and hardens, the threaded sleeve is firmly anchored. PRACTICAL THREAD INSERT SET: The ruthex threaded inserts set are lead free and RX-4-40x5.7 consists of 100 insert nuts with #4-40 internal thread and a length of 5.7 mm. The threaded sleeves can be inserted by ultrasonic and heat embedding. About us Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. If you have any questions about this item, please contact us via eBay messages before placing your order. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. All items are in stock at the time of listing; however, in the unlikely and unforeseen event that we are unable to fulfill your order through any of our networked warehouses, we will notify you as quickly as possible and offer you a 100% refund on your purchase. Thank you for shopping with us. We appreciate your business! Payment We accept all major payment modes for your convenience:nnPayPal - Fast, secure, and easy. Use your PayPal account or checkout as a guest.nCredit/Debit Cards - Visa, MasterCard, American Express, and Discover.nApple Pay - Easy checkout using your Apple devices.nGoogle Pay - Seamless payment with your Google account.neBay Managed Payments - Accepts a wide range of payment options, ensuring a smooth transaction experience.nnn- Please make the payment within 3 days of the auction ending or purchase.n- Orders will be processed once the payment has been successfully received.n- For any issues or questions regarding payment, feel free to contact us directly.nnThank you for shopping with us! Shipping We provide fast, free shipping. Most items are shipped within 3-5 business days of receiving cleared payment. We ship to the lower 48 contiguous United States only. We do not ship to P.O. Boxes or APOs. For select items, we ship internationally through eBay?s Global Shipping Program. We do ship most of our smaller items internationally using eBays Global Shipping Program. If ordering electrical items outside of the U.S., please note that they will come equipped with a standard U.S. voltage plugs. You will need a suitable adapter to use the item in your country. Certain restrictions apply. Standard or Economy Shipping is ALWAYS FREE! You will be notified via eBay messages as soon as your items ship. Special Notice for Freight Items: If an item ships via Freight (Truck) Delivery, a valid phone number will be required so that we can contact you to schedule delivery. The item may be delivered with curbside delivery. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. Freight items must be inspected upon delivery. In the unlikely event that damaged is observed, you MUST refuse delivery and note the damage on the shipping receipt and send it back via the Freight carrier. Returns will not be accepted on Freight items after they have been delivered, inspected, and the driver has left the premises. Returns We offer a 30 day return/exchange policy for most of our products. You can request a refund if you are dissatisfied for any reason with your product. (Restocking Fee May Apply). Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. You will be required to cover shipping on the return of non-defective items. All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a fair resolution. Disclaimer Were sorry, but we do not honor product exchange requests. If you need to exchange an item received, you will need to go through the normal returns process identified in our returns section and then order the correct item, if it is still available. Orders are processed immediately and dispatched to fulfillment as soon as they are received. For this reason, we are typically unable to honor cancellation requests. If you need to cancel the transaction, please contact us as soon as possible and we will attempt to cancel the order. If the order has gone too far through the fulfillment process, we will be unable to cancel. In that event, you would need to wait until you receive the item and go through the normal returns process as mentioned in the returns section of our policies. Payment Options Shop With Confidence Copyright ©2023, All rights reserved.