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ZWMSSLL’s 22-piece 1/4-20 brass threaded inserts deliver industrial-grade durability and precision for plastic and 3D printed components. Engineered with heat resistance beyond 300°C and a knurled design for superior torque grip, these inserts install easily with common tools and fit a wide range of thermoplastics, making them the go-to fastener for professionals demanding reliability and efficiency.

































| ASIN | B0D3KW9XW5 |
| Best Sellers Rank | #22,310 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Nut Inserts |
| Brand | ZWMSSLL |
| Color | UNC Threaded Insert |
| Compatible Groove Diameter | 0.12 Inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (132) |
| Drive Style | Spline |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Grade Rating | industrial |
| Inside Thread Size | 1/4 inch |
| Item Diameter | 0.25 Inches |
| Item Dimensions | 0.31 x 0.31 x 12.7 inches |
| Item Weight | 0.02 Ounces |
| Manufacturer | ZWMSSLL |
| Material Type | Brass |
| Metal Type | Brass |
| Model | 1/4-20x12.7x8 Threaded Inserts |
| Number Of Items | 22 |
| Number of Pieces | 22 |
| Outside Diameter | 7.15 Inches |
| Part Number | 425Pcs Metric Knurled Nuts Kit |
| Screw Head Style | Square |
| Size Name | 1/4''-20 (22pcs) |
| Thread Class | Class 2A |
| Thread Coverage | Fully Threaded |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse (Unc) |
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