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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 high-quality, lead-free brass knurled nuts designed for heat or ultrasonic embedding into thermoplastic 3D printed parts. Featuring a 1/4"-20 UNC thread size and a 12.7 mm length, these inserts provide superior holding strength, corrosion resistance, and compatibility with popular 3D printing materials like PLA, PETG, and ABS. Ideal for professionals seeking durable, reusable, and easy-to-install threaded solutions.











| ASIN | B09MTS6ZZQ |
| Best Sellers Rank | #1,248 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #210 in 3D Printer Accessories |
| Brand | ruthex |
| Color | UNC Threaded Insert |
| Compatible Groove Diameter | 0.25 inches |
| Customer Reviews | 4.6 out of 5 stars 186 Reviews |
| 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 | Brass |
| 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 |
V**Y
Quality Inserts
These were nice quality inserts. They worked well for my project and I ended up purchasing a few more sizes.
E**N
Best anchoring strength
I've used several brands of inserts and find these made by Ruthex to be made better and have a higher anchoring strength in plastic.
F**O
well made, very useful for 3D printed replacement knobs
These work really well in 3D-printed knobs for photography equipment (light stands, etc.). I also used them to 3D-print a broken knob on an old steelcase keyboard tray I like.
J**Y
Strong for tripod and photography projects
These work great and are strong.
C**.
Solid product, good quality and price
Packaged with specifications for the structure into which they will be installed. Much appreciated!
D**D
Great
Perfect for 3D prints used for PVS-14 attachment j arms screw in nice
J**L
Like well made
Worked well in the nylon bar stock. Just drill the hole listed on the package and use the available heated tip with the soldering gun slowly push the insert into the hole. Let it cool and you have a professional looking result and an insert that stays
E**O
Buy with confidence.
I’m not sure of a better Option than Ruthex for threaded inserts. Definitely worth the extra cost to get something that will hold up to use.
C**M
Gute Qualität und Passform
Lässt sich leicht einschmelzen und hält gut. Gewinde passt einwandfrei.
A**X
Ottima qualità
Buona manifattura.
N**S
Des inserts vraiment pratiques
J'ai pris c'est inserts filetés pour les utiliser sur un projet imprimé en 3D. Simple à installer avec un fer à souder (attention aux brûlures) une fois le plastique refroidi, l'insert ne bouge pas et semble bien solide. Le filetage correspond au standard des pieds photo, webcam, etc...
J**L
buen material
lo compre para hacerle modificaciones a mis luces led y poder tener la opción de instalarlo en trípode o tornillos de 1/4, va perfecto encastra bien y se mantiene en su lugar con algo de pegamento.
P**U
qualité
Très bonne qualité et utilisé régulièrement. Très pratique.
Trustpilot
3 weeks ago
2 weeks ago