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🔧 Upgrade your 3D prints with brass precision that lasts!
The Ruthex Insert Fileté M3 (100 pieces) is a high-quality brass threaded insert set designed for thermoplastic materials used in 3D printing and repairs. Featuring M3 internal threads and a 5.7mm length, these knurled inserts provide superior pull-out force and torque balance, ensuring durable, corrosion-resistant fastening. Ideal for heat or ultrasonic embedding, this bulk pack supports professional-grade assembly and maintenance.











| ASIN | B08BCRZZS3 |
| Best Sellers Rank | #34,130 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #18 in Nut Inserts |
| Brand | ruthex |
| Color | yellow |
| Colour | yellow |
| Compatible Groove Diameter | 3 Millimeters |
| Customer Reviews | 4.8 out of 5 stars 1,483 Reviews |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Fastener Type | Knurled |
| Fastener type | Knurled |
| Finish Types | Unfinished |
| Grade Rating | Industrial |
| Inside Thread Size | M3 |
| Item Diameter | 3 Millimeters |
| Item Dimensions | 12 x 9 x 1 centimeters |
| Manufacturer | ruthex |
| Material | Brass |
| Material Type | Brass |
| Metal Type | Brass |
| Metal type | Brass |
| Model | GE-M3x57-001 |
| Number of Pieces | 100 |
| Part Number | GE-M3x57-001 |
| Size Name | M3 |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M 3 |
| Thread Style | Metric Internal |
| Thread Type | ISO Metric |
| Thread size | M 3 |
J**N
Good product
Good product
A**N
İyi kalite
İyi ürün
C**.
Parfaits
Parfaits pour mes montages, astuce avec la pointe du fer à souder les positionner dans le pré trou ils prennent leur place dans PETG et PLA
P**N
Super
Kanon, håller i plasten när man värmt dem på plats, så helt kanon
S**E
Great for 3D printed enclosures
I use these in every single 3D printed enclosure I design and they are perfect. Just finished off a bag of M3's and I've ordered some M4 and M5
Trustpilot
2 weeks ago
2 months ago