QSJ
QSJ 130Pcs Threaded Inserts Heat Set Inserts Kit M3x4x5 Brass Insert Nut with Soldering Iron Tip for 3D Printed Plastic Materials
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies QSJ 130Pcs Threaded Inserts Heat Set Inserts Kit M3x4x5 Brass Insert… as a category leader on buyer feedback in the expansion cards category, based on 244 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. QSJ's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Backed by QSJ's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 【Packaging】: Each set includes 130 high-quality brass threaded inserts, each measuring M3x4x5, accompanied by a soldering iron tip for easy installation.
- 【Premium Material】: Crafted from high-quality brass, these threaded inserts ensure durability and excellent performance, making them ideal for various 3D printing plastic materials.
- 【Easy to Use】: Pre-drill a pilot hole in the target plastic material. Using a soldering iron, heat up the insert until it reaches the Tm. Align it with the pilot hole and firmly press it into the plastic material. Apply slight downward pressure to ensure proper embedding. Allow it to cool down and solidify within the plastic material.
- 【Versatile Application】 These threaded inserts are perfect for a wide range of applications, such as securing parts in 3D-printed prototypes, reinforcing plastic joints, or adding threaded inserts to plastic components.
- 【Reliable Fastening Solution】: By embedding these threaded inserts, you can achieve a strong and reliable connection, enhancing the structural integrity of your plastic products and ensuring they withstand stress and tension.
Full Specifications
| Brand | QSJ |
|---|---|
| Color | Gold |
| Material | Brass |
| Set Name | Brass Threaded Inserts Set (130pcs, M3x4x5) |
| Size Name | (130pcs) M3x4x5 |
| Metal Type | Brass |
| Unit Count | 130.0 Count |
| Drive Style | Spline |
| Part Number | nut180 |
| Thread Size | #8-32 |
| Thread Type | Unified National Coarse |
| Finish Types | Brushed |
| Grade Rating | industrial |
| Thread Class | Class 2B |
Ready to buy?
QSJ 130Pcs Threaded Inserts Heat Set Inserts Kit M3x4x5 Brass Insert Nut with Soldering Iron Tip for 3D Printed Plastic Materials is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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