420pcs M3 Screw Kit, Premium Hex Socket Head Cap Screw Assortment with Nuts and Washers, M3x6mm /8mm /10mm /12mm /16mm /20mm /25mm (Silver)
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 420pcs M3 Screw Kit, Premium Hex Socket Head Cap Screw Assortment with Nuts and Washers, M3x6mm /8mm /10mm /12mm /16mm /20mm /25mm (Silver) is a category leader on buyer feedback in the PC & gaming hardware category, priced around $12.99, rated 5.0★ across 19 verified Amazon reviews. A confident buy for most shoppers in this category.
Premium M3 Hex Socket Head Cap Screw Assortment with Nuts and WashersThis kit contains 420 high-quality M3 hex socket head cap screws made of stainless steel for superior strength, corrosion resistance, and durability. The screws come in a variety of sizes to meet your different needs, including M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x16mm, M3x20mm, and M3x25mm, with 20 pieces of each size for a total of 140 screws.The hex socket head design allows for easy tightening with a hex wrench. These screws are versatile and can be used for a variety of applications, including 3D printing, woodworking…
SpecPicks Verdict
SpecPicks classifies 420pcs M3 Screw Kit, Premium Hex Socket Head Cap Screw Assortment… as a category leader on buyer feedback in the PC & gaming hardware category, based on 19 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. CARLWIN'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 PC & gaming hardware 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 — 5.0★ average across customer reviews
- ✓ Easy to Use: Hex socket head design for easy tightening with a hex wrench.
- ✓ Backed by CARLWIN's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ 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
- Premium Quality: Made of high-quality stainless steel for superior strength, corrosion resistance, and durability.
- Complete Specifications: Includes 7 popular screw sizes (M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x16mm, M3x20mm, M3x25mm), 20pcs each size, 140pcs screws in total.
- Easy to Use: Hex socket head design for easy tightening with a hex wrench.
- Versatile: Suitable for various applications, including 3D printing, woodworking, machinery repair, DIY projects, etc.
- Convenient Storage: Comes with a plastic storage box for easy storage and organization.
Full Specifications
| Size | M3 |
|---|---|
| Brand | CARLWIN |
| Color | Silver |
| Material | Stainless Steel |
| Size Name | M3 |
| Versatile | Suitable for various applications, including 3D printing, woodworking, machinery repair, DIY projects, etc. |
| Item Shape | Cylinder |
| Unit Count | 1.0 Count |
| Easy to Use | Hex socket head design for easy tightening with a hex wrench. |
| Part Number | HEX-M3-S |
| Thread Size | M3 |
| Finish Types | Passivated |
| Fastener Type | Socket Screws |
| Item Diameter | 3 Millimeters |
Ready to buy?
420pcs M3 Screw Kit, Premium Hex Socket Head Cap Screw Assortment with Nuts and Washers, M3x6mm /8mm /10mm /12mm /16mm /20mm /25mm (Silver) 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.