Contents
The Best M3 Screws And Nuts of 2023 – Reviewed and Top Rated
2,749 Reviews Scanned
- 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.
- 【710PCS M3 Screw Kits 8 Length Options】: M3 Screw Assortment Kit including 8 versatile lengths: M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x16mm, M3x20mm, M3x25mm, M3x30mm. Metric screw assortment kit contains M3 screws, nuts, washers and corresponding 1 hexagonal wrenches. Tailored for complex projects requiring multiple fastening solutions.
- 【Precision Engineering for Flawless Fit】: Every screw adheres to metric standards with ±0.01mm tolerance, guaranteeing seamless compatibility with machinery, 3D printers, and DIY projects. Threads are laser-cut for smooth engagement, while nuts fit snugly without wobbling—saving time and reducing stripped threads.
- 【10.9 Grade Alloy Steel with Advanced Anti-Corrosion】:Crafted from high-strength 10.9-grade alloy steel, our screws are engineered for superior durability and fatigue resistance. The zinc-plated surface ensures oil-free, rust-proof protection, ideal for both indoor and outdoor applications. Our screws balance hardness and toughness, preventing brittleness in high-stress scenarios (eg：automotive or machinery repairs).
- 【Organized Storage & Professional-Grade Convenience】: Packed in a labeled, compartmentalized plastic case, each size is clearly marked for instant access. The reusable container doubles as a portable toolkit—perfect for technicians, hobbyists, or as a thoughtful gift. In order to better preservation, we also deliberately coated with a small amount of antirust oil, effective rust prevention at the same time more prolong the service life of the fasteners.
- 【 Effortless for Pros, Perfect for DIYers】:Install in seconds: Use the included hex wrench to tighten screws, add lock washers for anti-loosening, and disassemble with a simple reverse twist.Good assortment to have on hand for 3D printing DIY, RC hobbies, furniture, car repair and bike stand etc.
- 【Suitable for small DIY projects】 These small screws and nuts are especially suitable for 3D printing DIY and RC car enthusiasts.
- 【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 sacked in a sturdy easy-use plastic storage box, organized Conveniently and Easily.
- 【Easy to operate and strong】 Hex socket head cap screws can be screwed into the nut directly by hand without a wrench, Grade 12.9 alloy steel screws are ultra-high strength and not easy to break.
- 【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.
- Easy to Use: M3 screw kit can be used for daily furniture installation and mechanical repair, etc. When using, you can use tweezers to pick up the screws, put them into the hardware that needs to be connected, then tighten them with the M3 wrench included in the package, and then install nuts and flat washers to prevent loosening. If you need to disassemble it, just unscrew it in the opposite direction, which is very convenient and simple.
- Black Galvanizing Technology : M3 screws kit is made of durable 12.9 alloy steel with black galvanizing technology, the surface does not contain organic oil and has no odor, its smooth without burrs, has a tight pitch, and has a certain hardness, making it suitable for long-term use under all-weather conditions.
- Sufficient quantity: 600 pieces M3 screw, nuts and flat washers set, 200 screws, 200 nuts, 200 flat washers, washers help strengthen the screws and prevent loosening. Suitable for daily home and work maintenance use.
- Standardized Metric Sizes: M3 socket head bolt and nut sets come in 7 different lengths most commonly used in routine installation repairs. Complying with the standard metric system, the average error is less than 0.01mm.
- Widely Applications: Our metric bolt and nut sets come in thick fixed divider boxes with internal and external labels marking the corresponding screw size and quantity for easy storage and access; the elegant box is convenient for carrying in your daily tool bag, or Make a gift for professionals and amateurs who regularly repair furniture, cars, etc.
- Premium Material: The hex head screws and nuts and bolts are made of excellent stainless steel material, which has good resistance to corrosion, rust and oxidation, sturdy and can ensure long-term use.
- Easy to Use: Our m3 hex screws and bolts are sharp, clean and precise. And will not easily deform and slip during use. Deep and clear hexagon socket and head can make your work easier.
- Easy Storage: All hex socket head screws bolts nuts assortment kits are stored in a sturdy plastic storage box. This hex bolt set is housed in a clear storage case for quick access and protection.
- Wide Applications: Widely used to fasten sheet metal to wood, fiberglass or metal. Suitable for home and office appliances, communication equipment, ship assembly and others.
- Package Contents: You will get 220 pcs m3 x nuts, 2 x wrench, 20 pcs m3 x 6mm screws, 20 pcs m3 x 8mm screws, 20 pcs m3 x 10mm screws, 20 pcs m3 x 16mm screws, 20 pcs m3 x 18mm screws, 20 pcs m3 x 20mm bolts, 20 pcs m3 x 25mm bolts, 20 pcs m3 x 30mm bolts, 20 pcs m3 x 35mm bolts, 20 pcs m3 x 40mm bolts, a total of 440 pcs.
Last update on 2025-07-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Where can I get m3 nuts for free?
A: M3 – Nuts – Fasteners – The Home Depot Get free shipping on qualified M3 Nuts or Buy Online Pick Up in Store today in the Hardware Department. #1 Home Improvement Retailer
Q: Are there any metric screws that are hard to remove?
A: Their tamper-resistant Torx drive (also known as a pin-in Torx drive) makes them difficult to remove without special tools. These metric screws have a drilled spaner drive, making them difficult to remove without special tools. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic.
Q: Which is better stainless steel or metric screws?
A: Made from 18-8 stainless steel, these metric pan head screws have good chemical resistance and may be mildly magnetic. These metric 316 stainless steel screws resist corrosion from chemicals and salt water better than 18-8 stainless steel screws. They may be mildly magnetic.
Q: What kind of material are metric screws made of?
A: Made from nylon, these metric screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand. These metric PTFE screws withstand harsh chemicals and temperatures from -100° F to 500° F. They are nonconductive, lightweight, and resist wear due to their slippery surface.