860PCS Metric Screw Assortment Kit, M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, 12.9 Grade Alloy Steel, Metric Hex Socket Head Cap Nuts and Bolts Assortment Kit with 4 Wrenches
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Availability:
In Stock.
Arrives
Sunday, May 10
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Size: 860PCS Hex Socket Head
Style: 12.9 Grade Alloy Steel
Features
- 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.
Size: 860PCS Hex Socket Head
Color: 860 Black Hex Socket
Material: 12.9 Class Alloy Steel
Brand: LuKaiSen
Item dimensions L x W x H: 7.5 x 5.5 x 1.7 inches
Fastener Type: Hex
Head Style: H
Finish Type: Black Oxide
Shape: Hexagonal
Thread Size: M2-0.4, M3-0.5, M4-0.7, M5-0.8
Number of Pieces: 860
Compatible groove diameter: 0.1 Inches
Number of Items: 860
Manufacturer: LuKaiSen
Product Dimensions: 7.5 x 5.5 x 1.7 inches
Item Weight: 10.6 ounces
Item model number: M2 M3 M4 M5
Date First Available: July 30, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, May 10
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
Size: 1500PCS Hex Socket Head
Style: 12.9 Grade Alloy Steel
15000 pcs - They were not kidding - I have enough Screws, Nuts and washers for a lifetime. This set is perfect for small projects, 3D printer maintenance, and furniture repairs. The screws and nuts are solid and well-machined, with consistent threads and a durable black finish. I like that it includes a wide range of sizes (M2 to M6) and five matching Allen wrenches. Everything came neatly organized in a compartmentalized case, which makes it easy to find what I need quickly. Great value for anyone who regularly works with metric hardware.
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Reviewed in the United States on May 8, 2025 by [Redacted]
Size: 860PCS Hex Button Head
Style: 10.9 Grade Alloy Steel
This is a great assortment and like me if you're working on some R/C cars or other small hobby stuff, you will have a great supply of spare small hardware. The only thing that I was unhappy with is that the screws and nuts that I needed the most 3mm .05 were not in this kit. Other than that I am very pleased with the quality.
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Reviewed in the United States on December 31, 2025 by Ernie Maroon
Size: 860PCS Hex Socket Head
Style: 12.9 Grade Alloy Steel
They arrived yesterday and I picked them up from the locker today. The sizes are perfect. The material... well, I'll see if they rust over time, but I don't think so. Third, they're very affordable. In fact, I was only going to use one screw for the one I lost on my electric wheel. I wanted to buy the set of four screws on the official website, but... they cost $17, and with shipping and taxes, it came to $35, plus a week's wait. So I started looking for similar ones on Amazon. I was going to buy a bigger set with more variety, but... in the end, I don't think I'll use them all. Therefore, I just chose the closest size that would work (because I didn't know the size of the wheel screws, haha). And for $10 with taxes, I was able to get this set. I love Amazon, and of course, I'll keep buying from them! 👋
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Reviewed in the United States on November 26, 2025 by Juan alexander
Size: 860PCS Hex Button Head
Style: 10.9 Grade Alloy Steel
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
Size: 860PCS Hex Button Head
Style: 10.9 Grade Alloy Steel
Very nice. Arrived with all screws in the proper location in the box.
Reviewed in the United States on January 7, 2026 by Bobby
Size: 860PCS Hex Button Head
Style: 10.9 Grade Alloy Steel
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.
Size: 860PCS Hex Socket Head
Style: 12.9 Grade Alloy Steel
Do you like to screw? Well this kit is for you!! You got screws for everything and then some high functioning screws. Good quality screws!
Reviewed in the United States on November 27, 2025 by Ian
Size: 1440PCS Hex Flat Head
Style: 304 Stainless Steel
I have no issues with the product itself, but the delivery took very long - based on Amazon Prime standards. It took over a week to finally show up.
Reviewed in the United States on January 15, 2026 by John