The Best M2 Nut of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best M2 Nut of 2025. Check our ranking below.
2,216 Reviews Scanned
- Thread Size: M2-0.4;Thread Pitch: 0.4mm;Thread Type: Right Hand. Package: 100 PCS
- THREADED: Coarse thread, M2 diameter, 0.4mm pitch.
- MATERIAL:Made of carbon steel, nickel plating finish, high hardness and perfect wear resistance.
- FEATURE:Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from.
- GREAT REPLACEMENT:Great replacement for industrial and construction fasteners,also can be a important accessories in your daily life.
- SIZE:0.15" (3.9mm) width across flat, 0.07" (1.7mm) height.
- 【DIMENSION】- M2x0.4mm; Pitch:0.4mm/0.02 "; Hex Width: 4mm/0.16"; Nut thickness:3mm/0.12 "
- 【HOLD SCREW FIRMLY】- M2 Lock Nuts with nylon insert collar that is non-corrosive, these hex nuts greatly reduce loosening under vibrations and torque, providing better security and firm hold and keep good performance even after multiples times of use
- 【QUALITY MATERIAL】- These M2 Lock Nuts are made of quality Carbon steel,surface is Zinc-plated for good rust resistance
- 【APPLICATION】- These Hex Lock Nuts are great to have around for use in wood and wet environments. They are strong, corrosion resistant and will support all of your projects.
- 【PACKAGE CONTENT】- 50Pcs x Hex Lock Nuts
- Material: 304 Stainless Steel;
- Quantity: 100pcs; Pitch: 0.4mm;
- Name: M2 Self Locking Nylock Nuts;
- Package: 100pcs x M2mm lock Nuts;
- Usage: Tighten any kind M2 Thread Screws.
- 1. The M2 stainless nuts are 304 stainless steel Hex nut,hardware nuts,UNC Coarse Standard Thread
- 2. ZQToday M2 Hex Nuts are great for general applications and wet environments. This M2 Nuts are strong, and will support all of your project purposes,Like M2 Hex nuts for light fixture etc
- 3. M2 Hex Nut Material: 304 Stainless Steel 18-8; Finish: Bright Finish; hardware nuts Inside Diameter: M2 inch; Thread Pitch Size: 0.4mm
- 4. M2 Stainless Steel Hex Nuts Package Included: 100pcs Hex Nuts M2 and 1pcs M2 Hex Nut Driver Wrench. The diameter of the opposite side is about 0.157 inches /(4mm), the total height is about 0.063 inch /(1.6mm)
- 5. M2 Nuts,Hex Nuts are great to have around for use in wood and wet environments
- 【Product details】---thread pitch:0.4mm,thread diameter:2mm,head diameter: 4mm.Lenths of the thread :4mm/6mm/8mm/10mm/12mm/16mm.According with standardized metric system. And the average error is less than 0.01mm.
- 【Not oily and rust proof】 These black zink plated finish screws are not oily, they will not dirty your hands or DIY items, and the rust proof performance is better than other oiled screws.
- 【Good Storage and assortment】All These Screws are Packed In a Sturdy Easy-use Plastic Storage Box, Organized Conveniently and Easily.
- 【High Quality】--- Made of high quality 12.9 grade alloy steel , which features is strength and offers good corrosion resistance in bad environment.
- 【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.
- 【SMALL PRECISION SCREWS – IDEAL FOR 3D PRINTING & DIY】 Includes M2 / M3 / M4 / M5 metric screws, specially designed for 3D printing, electronics repair, RC models, and precision DIY projects. ⚠️ These are small-size screws, NOT suitable for heavy-duty or large mechanical use. Please check sizes carefully before purchasing.
- 【WIDE SIZE COVERAGE – MOST COMMON SIZES IN ONE KIT】 Covers the most frequently used metric sizes: M2 (4/8/12/16mm), M3 (6/8/12/16mm), M4 & M5 (8/12/16/20mm) with standard ISO/DIN threads. One complete kit eliminates repeated purchases and ensures you always have the right size on hand.
- 【MOST FREQUENTLY USED SIZES FOR 3D PRINTING & DIY】 This kit includes M2, M3, M4, and M5 — the most commonly used metric screw sizes for 3D printing, robotics, RC models, and precision DIY projects. With a balanced 1:1 ratio of screws, nuts, washers, and lock washers, it provides a complete fastening solution for a wide range of assembly needs.
- 【CLEARLY ORGANIZED BOX + SIZE LABELS + INCLUDED WRENCHES】 All parts are stored in a durable, compartmentalized case with clear, easy-to-read labels for quick identification. Includes M2–M5 hex keys (Allen wrenches), making installation faster and more convenient right out of the box.
- 【10.9 GRADE ALLOY STEEL – DURABLE & PRECISE THREADS】 Made from high-strength 10.9 grade alloy steel, featuring clean threads, excellent durability, and reliable fastening performance. Backed by Kadrick’s strict quality control and a 24-month warranty for worry-free use.
- 【Sizes】 M2 hex nuts, thread pitch is 0.4mm, coarse thread, color is silver tone. 200 pieces M2 commonly used stainless steel hex nuts in a plastic case, enough quantities can satisfy your long time using.
- 【Material】304 Stainless Steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
- 【Weak Magnetic】The magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 304 steel always show weak magnetic properties.
- 【Wide Applications】Widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur.
- 【Package Included】Total 200 pieces M2 hex nuts are packed in a durable transparent box. Whenever you need us, please free to contact us, we will give you a professional service and reply you within 24 hours.
- 【Size and Packing】Thread Size: M2x0.4mm, Hexagon Width: 4mm/0.16", Total Height: 1.5mm/0.06", Package include 200 pieces steel hex nuts.
- 【Material】Made by carbon steel, zinc plating finish, high hardness and perfect corrosion resistance. Good thermal conductivity and heat resistance, can ensure long time using.
- 【Used with】Hex nuts are usually used with bolts, screws, and other components with external thread. Use with washers to help distribute the load (not included).
- 【Application】These metric thread hex nuts are common fastening parts with a wide range of application. Suitable to use on machinery maintenance or daily repair, and the DIY Projects etc.
- 【Note】When you will use them onto a bolt, cap screw or threaded rod, pls confirm thread size is matched.
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
How Do You Buy The Best M2 Nut?
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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for M2 Nut that you consider buying. Your questions might include the following:
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- Brand Value: Every brand of M2 Nut has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an M2 Nut?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your M2 Nut.
- Customer Ratings: Number ratings grade M2 Nut objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their M2 Nut.
- Product Quality: You don’t always get what you pay for with an M2 Nut, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an M2 Nut is should be an indication of how long it will work out for you.
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