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🔧 Upgrade your 3D prints with brass precision that sticks—don’t get left behind!
This set of 40 brass threaded inserts features 1/4"-20 UNC knurled nuts designed for heat-set installation in 3D printed and thermoplastic parts. Engineered for superior grip and corrosion resistance, these inserts are compatible with a wide range of plastics and install easily using common soldering irons or ultrasonic tools. Packaged thoughtfully for organized storage, they deliver professional-grade durability and versatility for both indoor and outdoor applications.










| ASIN | B0CZPD55C1 |
| Best Sellers Rank | #25,791 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #39 in Nut Inserts |
| Brand | SoSo-BanTian1989 |
| Color | Gold |
| Compatible Groove Diameter | 0.25 Inches |
| Customer Reviews | 4.8 4.8 out of 5 stars (191) |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Finish Types | Brass |
| Grade Rating | industrial |
| Inside Thread Size | 1/4"-20 |
| Item Diameter | 8 Millimeters |
| Item Dimensions | 0.31 x 0.31 x 0.31 inches |
| Item Weight | 50 Grams |
| Manufacturer | SoSo-BanTian1989 |
| Material Type | Brass |
| Metal Type | Brass |
| Number Of Items | 40 |
| Number of Pieces | 40 |
| Part Number | Heat Set Insert |
| Screw Head Style | Screw |
| Size Name | 1/4"-20x8-40pcs |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unified National |
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