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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Monday, Nov 2
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At a glance
- Condition
- New
- Size
- M2 M3 M4 M5 860pcs 3
- Model
- M2 M3 M4 M5
- Dimensions
- 7.5 x 5.5 x 1.7 in
- Weight
- 300 g
- Color
- 860Pcs M2 M3 M4 M5 Black Hex Socket Head
- Material
- 12.9 Class Alloy Steel
Features 5
- Best 12.9 Grade Alloy Steel-- LuKaiSen Metric Bolt Assortment is made of premium grade 12.9 alloy steel for high Hardness and good corrosion resistance in harsh environments such as high temperature, cold weather and high humidity areas. And they also have superior oxidation resistance to ensure long-term use.
- Perfect Combination Kit--- LuKaiSen Screws Nuts and Washers Assortment comes in a full range of specifications, consisting of 860 screws, nuts and washers in five sizes: M2, M3, M4 and M5. Each size is available in 4 different lengths, 8mm, 10mm, 16mm and 20mm, and each size is matched with the corresponding nut, washer and lock washer. Therefore, you only need to buy one set to meet your various needs in life.
- Thickened & Convenient Box--- We want our customers to receive perfect products, so we have upgraded and reinforced the box. No product mix-ups as each size and grid of the product is matched 1:1 in the sturdy storage box.
- Widely Applications--- Our machine screw assortment kit with lots of different sizes is widely used for 3D printers, computers, instruments, electronic products, household appliances, lamps, cabinets and bicycle repair.
- LuKaiSen Best After-Sales Service--- We provide you with a 1-year warranty, a 30-day return guarantee and 7x24 hours after-sales service, any product problems can be quickly solved for you. If you have any dissatisfaction with our products, please contact us at any time and your needs will be met.
Description
LUKISAN Deals You Can't Miss! Explore Additional Discounts at the LUKISAN Store! LuKaiSen is dedicated to selling high quality screws, flat washers and electrical tools. LuKaiSen produces more than 50 billion hardware products annually and sells them to 30 countries and regions around the world! LuKaiSen, the leader in quality hardware! Metric Screw & Nut Assortment Kit (M2-M5) 860PCS Bolts and Nut Kit 820PCS Screws and Nuts 860PCS Metric Screws Nuts 820PCS Screws and Nuts 1500PCS Bolts and Nut Kit 1440PCS Bolts and Nut Kit 1440PCS Bolts and Nut Kit
Specs 22
| Size | M2 M3 M4 M5 860pcs 3 |
|---|---|
| Color | 860Pcs M2 M3 M4 M5 Black Hex Socket Head |
| Material | 12.9 Class Alloy Steel |
| Brand | LuKaiSen |
| Item dimensions L x W x H | 7.5 x 5.5 x 1.7 inches |
| Size Name | M2 M3 M4 M5 860pcs 3 |
| Item Dimensions | 7.5 x 5.5 x 1.7 inches |
| Number of Pieces | 860 |
| Screw Head Style | H |
| Thread Size | M2-0.4, M3-0.5, M4-0.7, M5-0.8 |
| Compatible Groove Diameter | 0.1 inches |
| Item Shape | Hexagonal |
| Material Type | 12.9 Class Alloy Steel |
| Finish Types | Black Oxide |
| Fastener Type | Hex |
| Number Of Items | 860 |
| Set Name | 860PCS Screws Nuts and Washers Assortment |
| Manufacturer | LuKaiSen |
| Item Weight | 300 g |
| Model | M2 M3 M4 M5 |
| Part Number | B0BYZ9V6KQ |
| Item Highlight | High-Tensile,M2 M3 M4 M5, Hex Socket Head Cap Bolts & Nuts Kit, With Lock & Flat Washer & Wrench, For 3D Printing,DIY, Home |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Very cheap for this box
Size: SS M2 M3 M4 820pcs 3
Just what I needed great quality
Reviewed in the United States on July 16, 2026 by Gustavo Leonardo Padilla
Nice mix and match set
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It's a good basic set with a few of every. I use this for RC cars.
Reviewed in the United States on July 11, 2026 by General Rookie
Great for 3d printing
Size: M2 M3 M4 M5 860pcs 2
Great set of screws for 3d printing enthusiasts. only gripe would be that everything is sorted except one size of springs and bolts that are thrown together. But not a deal breaker at all.
Reviewed in the United States on May 28, 2026 by Saige Walker
Good Quality for Light Projects, Saves a Trip to the Store
Size: M2 M3 M4 M5 860pcs 2
I picked up this metric screw set for a small project I was working on, and overall, it was exactly what I needed. Having a variety of sizes in one organized case made it much easier than running to the hardware store and trying to find the right screws on the spot. The assortment covers a good range, and I appreciated having everything on hand when I needed it. For the price, it’s a very practical kit that saves time and hassle. That said, I did run into one issue: the included allen wrenches didn’t properly fit the M4 screws. For me, that wasn’t a dealbreaker since I already had my own set of wrenches, but I could see how that might frustrate someone who was relying only on what’s in the box. Because of this, I’d personally rate the product around 4 stars instead of 5. It’s a minor flaw, but still worth pointing out for anyone considering the set. The quality of the screws themselves seems decent for light to moderate use. They held up well for my project and threaded in cleanly without any problems. If I were working on a motorized project or something requiring a higher-grade steel, I’d probably invest in a more heavy-duty set. But for everyday fixes, DIY builds, or quick repairs, these screws are more than sufficient. In the end, I’m pleased with the purchase and would buy this set again. It’s convenient, affordable, and takes the stress out of finding the right metric screw in the middle of a project. While it’s not perfect, it definitely does the job and makes for a handy addition to any toolbox. For the cost and the convenience, it’s tough to beat.
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Reviewed in the United States on August 22, 2025 by Paul Gantchar
Big selection, Low cost! Fast delivery!
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Product as described and it was a great selection that was affordable!
Reviewed in the United States on July 18, 2026 by Shannon S.
Great assortment for a fantastic price
Size: M2 M3 M4 M5 860pcs 2
I initially only needed a couple of screws for a very specific use case (additional mount of something on my 3D printer), but have since used these in a number of places. They are high quality, and work flawlessly with both the included nuts and existing threaded holes. The variety is exactly what I needed, whether I knew I needed them all or not, and the multiple lengths has come in handy. Would definitely buy again and strongly recommend.
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Reviewed in the United States on August 30, 2025 by D. W.
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Size: SS M2 M3 M4 820pcs 3
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The Right Fit for me Bike (Just Don’t Over-Torque)
Size: M2 M3 M4 M5 860pcs 3
I needed some crews to attach accessories to my ebike, and this Screw Kit worked wonders! It introduced me to the world of metric fasteners. It’s a versatile set that has simplified my DIY projects. . [ What I like about it ] 1. Precision Engineering: Every piece is true to size. I double-checked the measurements, and the screws and components match the advertised specifications perfectly. 2. Well Organised: The kit is thoughtfully laid out with clearly labelled compartments. The sheer variety ensures I have the right part on hand for almost, if not, any small-scale repair. 3. Reliable Value: While the metal isn't industrial-grade, the quality is more than sufficient for its price point. For example, my reasons for buying it are securing bike components; the screws are sturdy, reliable, and get the job done. . [ My experience ] -- One time when I needed to fasten something very tightly using a knut and screw. Suddenly, the knut snapped off! So yeah, this kit may not be good for very tight screws.
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