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๐ง Screw it right, screw it tight โ the ultimate M3 kit for pros who demand precision.
This 650-piece M3 countersunk screw and nut assortment features seven metric sizes (4-20mm) crafted from high-strength Grade 8.8 alloy steel with a black zinc finish for rust resistance and clean handling. Perfectly suited for electronics, DIY, RC models, and light machinery repairs, it comes in a durable, compartmentalized case for quick size identification and organized storage.






| ASIN | B0FZTYBXPY |
| Best Sellers Rank | #77 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Screw & Bolt Assortment Sets |
| Brand | Fgruh |
| Color | Black |
| Compatible Groove Diameter | 3 Millimeters |
| Customer Reviews | 4.6 out of 5 stars 899 Reviews |
| Fastener Type | Screw |
| Finish Types | Black Zinc |
| Item Diameter | 3 Millimeters |
| Item Dimensions | 5.83 x 4.06 x 0.67 inches |
| Item Shape | Round |
| Item dimensions L x W x H | 5.83 x 4.06 x 0.67 inches |
| Manufacturer | Fgruh |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Number of Pieces | 650 |
| Screw Head Style | Phillips Flat Head |
| Size | M3 650pcs |
| Size Name | M3 650pcs |
| Thread Size | M3 |
| UPC | 717956561348 |
P**K
Nice variety, good price!
Excellent product. Many different sizes stored in a convent box. Used some bolts to fix a chair! Jobs are much easier when you have the right parts. I found this product convenient, decent quality, and at an affordable rice.
T**.
Great value for a pretty inclusive set of screws/nuts
Great set of screws. I bought these for 3D printing projects and itโs a great value for the number of pieces included. They screw together/come apart smoothly and the quality seems spot on. The variety of pieces will be super helpful with future projects. The case seems fine for keeping the screws/nuts organized. Arrived unbroken. They look great in my projects with the socket heads.
C**E
Assorted screws
It worked for what I needed! Nice to have different sizes! Good product!
R**O
great product for price
The bolts and hardware are well-machined with consistent threading and the 12.9 alloy steel feels durable and strong. Great assortment of sizes for shop use, and everything came organized and rust-free.
M**A
Standard M6 set
Not much to report! These are standard M6 screws of various lengths. It was nice to choose between a flat washer or lock washer for the project I was working on. Overall, good quality at a decent price.
D**1
Good Assortment; Low profile storage
Good, tarnish-proof assortment with a low profile that will fit in any tool box or drawer. No complaints!
P**G
Good backup for the handy person.
Very good assortment of screws and nuts well marked as to size. Able to do a repair job quickly.
T**S
Fast shipping and great product.
Nice assortment and works as should.
Trustpilot
2 weeks ago
5 days ago