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🔧 Upgrade your 3D prints with pro-grade threaded inserts—because your projects deserve the best!
The ruthex 1/4" Threaded Inserts set includes 20 lead-free brass knurled nuts designed for heat or ultrasonic embedding into thermoplastic 3D printed parts. Featuring a 1/4"-20 UNC thread size, these inserts provide a firm, corrosion-resistant hold compatible with popular plastics like PLA and ABS. Ideal for professional-grade 3D printer components, they ensure durable, reusable fastening with easy installation and high torque resistance.










| ASIN | B09MTS6ZZQ |
| Best Sellers Rank | #1,371 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #209 in 3D Printer Accessories |
| Brand | ruthex |
| Color | UNC Threaded Insert |
| Compatible Groove Diameter | 0.25 inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (184) |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Finish Types | Brass |
| Grade Rating | commercial |
| Inside Thread Size | 1/4 inch |
| Item Diameter | 0.25 inches |
| Item Dimensions | 4.72 x 3.15 x 0.39 inches |
| Manufacturer | ruthex |
| Material Type | Brass |
| Metal Type | Brass |
| Model | GE-1/4x127-001 |
| Number Of Items | 1 |
| Number of Pieces | 20 |
| Outside Diameter | 0.25 inches |
| Part Number | GE-P-D |
| Screw Head Style | Flat |
| Set Name | 20 Pieces |
| Size Name | 1/4“-20x12.7 (20pcs) |
| Thread Class | Coarse |
| Thread Coverage | Fully Threaded |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse |
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