Zruosiniy
400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D Printing Components
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D Printing Components is a category leader on buyer feedback in the power supplies & cables category, priced around $9.17, rated 4.8★ across 136 verified Amazon reviews. A confident buy for most shoppers in this category.
SpecPicks Verdict
SpecPicks classifies 400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4… as a category leader on buyer feedback in the power supplies & cables category, based on 136 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Zruosiniy'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 power supplies & cables 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 — 4.8★ average across customer reviews
- ✓ Backed by Zruosiniy'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
- 【Durable Brass Heat Inserts】Crafted from premium brass, these heat set inserts deliver superior thermal conductivity, anti-fracture strength, and long-lasting performance—perfect for embedding parts in high-stress projects requiring reliable hold.
- 【Knurled Metric Thread Design】Deep knurled threads lock tight with strong grip. No slippage under tension. You install once and get secure, lasting results without rework.
- 【Optimized for Plastic and 3D Printing】Fits PLA, PETG and ABS flawlessly. Tackle your 3D prints, plastic molding, and repairs with zero fit issues—no more ruined projects from mismatched inserts.
- 【Metric Assortment Kit】15 sizes (M2, M2.5, M3, M4, M5, M6）in one kit. Cover every project without mid-job runs to the store—save your time and keep your workflows on track.
- 【What You Get】400-piece nut inserts kit (15 sizes), neatly organized in labeled, easy-access storage boxes. Backed by responsive customer support for your peace of mind.
Full Specifications
| Brand | Zruosiniy |
|---|---|
| Color | golden |
| Model | Brass Nuts Threaded Inserts |
| Material | Brass |
| Size Name | M2 M2.5 M3 M4 M5 M6 |
| Metal Type | Brass |
| Part Number | ket-1 |
| Thread Size | M2 M2.5 M3 M4 M5 M6 |
| Thread Type | Iso Metric |
| Finish Types | Polished |
| Grade Rating | industrial |
| Thread Class | Class 1A |
| Thread Style | Right Hand |
| Fastener Type | Insert |
Ready to buy?
400 Pcs Zruosiniy Premium Brass Threaded Inserts Kit, M2 M2.5 M3 M4 M5 M6 Female Metric Knurled Insert Nuts, Heat Set Inserts for Plastic & 3D Printing Components 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 2026-05-26. Price and availability subject to change.
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