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The BNUOK 180pcs M3 x 10mm Hex Socket Head Cap Screws set features high-strength 12.9 grade alloy steel with a sleek black oxide finish for superior corrosion resistance. Fully threaded with precision-machined hex socket drives, these screws deliver reliable torque and durability across a wide range of professional and DIY applications. The comprehensive kit includes 180 screws and a hex spanner, making it the ultimate fastener solution for makers and managers who demand quality and performance.







































| ASIN | B0DJQGKM9L |
| Best Sellers Rank | #1,024 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Socket Head Screws |
| Brand | BNUOK |
| Color | Black |
| Date First Available | October 9, 2024 |
| Exterior Finish | Black Oxide |
| Fastener Type | Hex Socket Bolt |
| Head Style | Hex |
| Head Type | Socket |
| Item Diameter | 3 Millimeters |
| Item Hardness | Grade 12.9 |
| Item Weight | 2.89 ounces |
| Item model number | BNH02027 |
| Manufacturer | BNUOK |
| Manufacturer Grade | 12.9 |
| Material | Alloy Steel |
| Metal Type | Alloy Steel |
| Number of Pieces | 180 |
| Size | M3 x 10mm |
| Thread Class | standard |
| Thread Size | m3-0.5 |
| Thread Style | Right Hand |
| Thread Type | Unc |
C**N
Strong, Precise, and Great Value
This screw set is excellent quality. The 12.9 grade alloy steel makes them very strong and reliable for heavy-duty applications, and the black oxide finish gives them a clean, professional look while helping to resist rust. The machining is precise—the threads are smooth, consistent, and seat firmly without stripping. I like that they come fully threaded, making them versatile for different projects, from 3D printer assemblies to furniture, robotics, and DIY builds. The Allen socket drive fits snugly with the included hex spanner and standard tools, which prevents rounding out. The 180-piece set is a great value, giving me plenty of screws for current and future projects without having to worry about running out. Everything comes neatly packaged, which keeps the hardware organized and easy to grab. Overall, these are durable, accurate, and dependable screws. Highly recommended for makers, builders, and anyone needing high-strength fasteners
R**.
Well worth the purchase price
Good quality screws for replacing screws on scope mounts. They are hardened so you don’t have to worry about the head stripping out on them
R**R
Screws
Item is good and works as described
R**R
Nice Allen bolts.
This is a nice assortment of M5 Allens. worth the price.
L**U
Good Quality
I bought the 50mm and 14mm screws. They are of good quality. The 50mm was not threaded to the head, but that didn't affect what I needed them for.
D**N
a big wider than expected
I am unsure if they are M4 might be more like M4.2 or something like that, but! they work fine!
T**H
Quality
Ease to remove value for your money great length threading function & quality
R**Y
Good quality product
High quality. I use for attaching a television to the wall mount. Comes with a plastic storage case and an allen wrench.
Trustpilot
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