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3Mm Bolt And Nut

The Best 3Mm Bolt And Nut of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3Mm Bolt And Nut of 2023. Check our ranking below.

2,066 Reviews Scanned

Rank No. #1
420pcs M3 Screw Kit, Premium M3 Bolts for 3D Printing, Hex Socket Head Cap Screw Assortment with Nuts and Washers, M3 x 6mm /8mm /10mm /12mm /16mm /20mm /25mm (Black)
  • Premium Quality: Made of 12.9 grade alloy steel, black oxide finish for high strength, corrosion resistance, and wear resistance.
  • 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.
Rank No. #2
Mr. Pen- Nuts and Bolts Assortment Kit, 540 pcs, Stainless Steel, M3 Screws(7 Sizes 6-30mm) Button Head Socket Cap, M3 Bolts and Nuts Kit with Clear Storage Box
  • Mr. Pen stainless steel button head fastener Kit includes 540 pieces, perfect for a variety of fastening tasks.
  • Crafted from premium stainless steel, these fasteners are highly durable, rust-resistant, and ideal for both indoor and outdoor use.
  • The kit features an assortment of button head bolts, nuts, and washers, conveniently organized in a sturdy, reusable storage box for easy access.
  • Designed with precision threading and strong grip, these fasteners ensure reliable and secure assembly for DIY projects or professional use.
  • Suitable for automotive, construction, and home improvement tasks, this comprehensive kit provides versatility and long-lasting performance.
Rank No. #3
Bemaka 550PCS M3 Screw Kit, M3 x 6/8/12/16/20/25/30mm Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, 304 Stainless Steel Metric Bolts with Hex Wrench
  • Product introduce: M3 Hex Socket Head Cap Screws; Our M3 screw assortment kit is equipped with matching nuts, lock washers and flat washers. These metric screws can help you to repair all kinds of electrical appliances,furniture and bicycle in your daily life.
  • Product features: Head style: socket head; Drive type: hex socket; M3 screws bolts nuts washers are packed in a labeled plastic box, which is convenient to storage, select and use. Our m3 screw assortment set comes with a hex wrench, which is convenient for you to install.
  • Material: M3 socket head screws are made of 304 stainless steel, which have strong corrosion resistant, excellent rust resistance and good oxidation resistant. These m3 hex screws can also be used in humid environment for a long time.
  • Wide application: These M3 screws are suitable for precision machinery industry, furniture, toys, buildings, 3D printers, electronic products, household appliances, etc.
  • Product include: Our M3 bolts kit comes in 7 different sizes, M3 x 6/8/12/16/20/25/30mm, total 550pcs(130pcs Screws, 140pcs nuts, 140pcs lock washers, 140pcs flat washers)with a hex wrench.
SaleRank No. #4
Kadrick Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, Grade 10.9 Alloy Steel Hex Socket Button Head Black Screws Nuts and Bolts Kit
  • 【Product details】---4sizes of screws M2 M3 M4 M5, thread pitch:0.4mm/0.5mm/0.7mm/0.8mm,thread diameters:2mm/3mm/4mm/5mm.Lenths of the thread M2:4mm/8mm/12mm/16mm.M3:6mm/8mm/12mm/16mm.M4:8mm/12mm/16mm/20mm.M5:8mm/12mm/16mm/20mm.According with standardized metric system. And the average error is less than 0.01mm.
  • 【High quality】--- This screw assortment is made of 10.9 grade alloy steel with high strength and precise threads
  • 【Good storage and assortment】All These Screws are Packed In a Sturdy Easy-use Plastic Storage Box, Organized Conveniently and Easily.
  • 【Can be widely used】Keep a set of commonly used Kadrick screw sets on hand to make you convenient.
  • 【Brand guarantee】: Kadrick specializes in the production and development of fasteners. Our products have undergone rigorous testing, so you can use them with confidence. Additionally, we provide a 24-month after-sales warranty service. If you have any questions, please feel free to contact us.
SaleRank No. #5
450 Pcs M3 Screws, Metric Screws Kit, M3 Bolts and Nuts and Washers, Black Small Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Machine and Washers Set, Carbon Steel
  • Carbon Steel Material, Sturdy and Durable:The m3 screw kit is made of high-quality carbon steel material, which has high hardness, is not easy to break or deform during use, is corrosion-resistant, rust-proof, strong, and has long-lasting durability and stability.
  • Nuts and Washers, Precision Fitting:Hex nuts allow for a more precise fit, better tightening, and carry greater loads. Flat washers can increase the contact area, protect the screws, provide a strong grip and maximum clamping force, and extend the service life.
  • Hex Socket Head Cap, Easy Installation:The threads of the bolts and nuts kit are sharp, clean, and precise, and are not easy to deform or slip during the rolling process. m3 bolts can be screwed into the nuts directly by hand without a wrench, making them easy to use and install.
  • Multi-scene Application, Widely Used:Suitable for use in homes, shops, garages, and other small repair shops, industry, construction, repairing furniture, machinery, appliances, cars, motorcycles, household items, and other DIY projects. Great for professionals, hobbyists, homeowners, crafters, and other DIY enthusiasts.
  • 450 Pcs Small M3 Metric Screws Assortment:A total of 450 pieces, size and quantity include 30 pcs m3x6mm, 30 pcs m3x8mm, 30 pcs m3x10mm, 30 pcs m3x12mm, 30 pcs m3x16mm, 30 pcs m3x20mm, 90 pcs m3 washers, 180 pcs m3 nuts, and 1 x small screwdriver, meeting the needs of use in many fields.

Last update on 2025-07-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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