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The Ruthex Insert Fileté M3 (100 pieces) is a premium set of brass threaded inserts designed for heat or ultrasonic embedding into thermoplastic materials. Featuring M3 ISO metric internal threads and a knurled spiral design, these inserts provide high torque resistance and pull-out strength, making them ideal for durable, professional-grade 3D printing and plastic assembly applications.











| ASIN | B08BCRZZS3 |
| ASIN | B08BCRZZS3 |
| Best Sellers Rank | #76,198 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #35 in Nut Inserts |
| Brand | ruthex |
| Color | yellow |
| Compatible Groove Diameter | 3 Millimeters |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,460) |
| Customer reviews | 4.8 4.8 out of 5 stars (1,460) |
| Drive Style | Spline |
| Exterior Finish | Brass |
| 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 |
| Item model number | GE-M3x57-001 |
| Manufacturer | ruthex |
| Manufacturer | ruthex |
| Material Type | Brass |
| Metal Type | Brass |
| Model | GE-M3x57-001 |
| Number of Pieces | 100 |
| Part Number | GE-M3x57-001 |
| Product Dimensions | 12 x 9 x 1 cm; 30 g |
| Size Name | M3 |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | M 3 |
| Thread Style | Metric Internal |
| Thread Type | ISO Metric |
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