uxcell 50pcs M2.5 Threaded Inserts Brass Heat Set Insert M2.5x8mm, OD 4.5mm Knurled Insert Nuts, 3D Printing Brass Nuts Female Threaded Inserts Nuts



Packaging May Vary





Descriptions: 1. Material - Made of brass material, high hardness and durable. Provides good mechanical properties with increased corrosion and heat resistance. 2. Feature - The embedding nut has a guide so there is no need for a counterbore or countersink. Smooth surface, firm and uniform, easy to install. 3. Advantage - Due to the embossing process on the outer diameter of the insert, it forms certain friction and bites force with the brass insert after forming, which can be fixed on the inside so that it will not fall off easily. Has a certain torsion and tension. 4. Application - Can be installed by ultrasonic or heat into the plastic matrix, or formed during the injection, widely used in 3D printing injection molding, computer products, electronic products, circuit board fixing, etc., to achieve tight fixing.



Our Terms & Policies


💳 Payments

We only accept payment methods that eBay offers at checkout, we cannot accept any other form of payment

Payment is required immediately at checkout


🔄 Returns

All sales are final — we do not accept returns or exchanges, unless the return policy shown on this listing states otherwise.

If your item arrives damaged, defective, or not as described, please contact us through eBay direct messages within 3 days of delivery and we will make it right. Such cases are covered under the eBay Money Back Guarantee.


🚚 Shipping

Order processing typically takes between 1 and 4 business days. Please note that we do not typically ship on weekends or public holidays.

During seasons of high demand (holidays), there may be slight delays in processing and shipping times. We recommend allowing extra time for your package to arrive. Should your order experience a significant delay, we will reach out to you through eBays direct messaging system

We offer FREE shipping on all orders