Heat Inserts Brass Threaded Insert Nuts M2 M3 M4 M5 Female Thread, By Ajoyib. Product Name: Embedment Nut Material: Brass Size: M2*4*3.5 x 30Pcs M2*6*3.5 x 30Pcs M2*8*3.5 x 30Pcs M2*10*3.5 x 20Pcs M3*4*5 x 30Pcs M3*6*5 x 30Pcs M3*8*5 x 20Pcs M3*10*5 x 20Pcs M4*4*6 x 30Pcs M4*6*6 x 20Pcs M4*8*6 x 20Pcs M4*10*6 x 15Pcs M5*6*7 x 15Pcs M5*8*7 x 10Pcs M5*10*7 x 10Pcs Product Features ?Size list?M2*4*3.5 ? 30Pcs, M2*6*3.5 ? 30Pcs, M2*8*3.5 ? 30Pcs, M2*10*3.5 ? 20Pcs, M3*4*5 ? 30Pcs, M3*6*5 ? 30Pcs, M3*8*5 ? 20Pcs, M3*10*5 ? 20Pcs, M4*4*6 ? 30Pcs, M4*6*6 ? 20Pcs, M4*8*6 ? 20Pcs, M4*10*6 ? 15Pcs, M5*6*7 ? 15Pcs, M5*8*7 ? 10Pcs, M5*10*7 ? 10Pcs. ?High quality material?Our products are made of high-quality brass, which is more beautiful and durable than iron materials. ?Assortment boxed?This product is classified and packaged in high-quality PP boxes, which is easy to store and classify. ?How to use?Can be installed by heating in tapered hole, or molded during injection. Can be widely used for plastic parts, especially 3d printed parts. ?Tips?Please feel free to contact us about any issue, We will provide technical support and respond within 24 hours. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!