The Best M3 Hex Screw of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best M3 Hex Screw of 2022. Check our ranking below.
2,324 (random num) 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
Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated
- 【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.
Rank No. #3
mxuteuk 620PCS M3 Screw Kit,M3 Screws Suitable for 3D Printer,12.9 Grade Alloy Steel M3 Bolts,M3 x 6/8/10/12/16/20mm Hex Socket Head Cap Screws Bolts Nuts Kit
- M3 screws:M3 x 6mm/8mm/10mm/12mm/16mm/20mm Hex Socket Head Cap Bolts Nuts Screws;Thread Dia: 3mm; Thread Pitch:0.4mm;According with standardized metric system；
- Made of 12.9 grade alloy steel and galvanized surface, corrosion resistance and oxidation resistance, suitable for long-term use；
- Product features:Zinc plating on the surface is oil-free, with good antirust performance and no fading;The screws are packed in plastic boxes, which is convenient for storage and use;
- Wide Application:This screw is widely used and suitable for home, automotive, and shop use..This kit has many sizes to meet all kinds of needs；
- Product packaging;30pcs×6mm;30pcs×8mm;30pcs×10mm;30pcs×12mm;30pcs×16mm;30pcs×20mm;180pcs×Nuts;80pcs×Spacers;180pcs×Lock washers,1pcs×Hex Wrench.
Rank No. #4
Taiss 620PCS M3 Screw Kit, Hex Socket Head Cap Screws Assortment with Nuts and Washers, M3 x 6/8/10/12/16/20mm, 12.9 Grade Alloy Steel, Black Zinc Plated, Small Metric Screws, Bolts for 3D Printing
- Product name: M3 Small Metric Screws Kit with Nuts/Flat Washers/Lock Washers/Wrenches.Screws Type: Hex Socket Head Screws.
- Product specifications:M3 Screw Kit:M3 x 6mm/8mm/10mm/12mm/16mm/20mm；6 Sizes.The screws are packed in a sturdy plastic box, which is easy to use and organize.
- Widely used in:M3 screw assortment are suitable for all kinds of household appliances,3D printers,precision machinery,toys and electronic products.
- Product material:M3 Bolts are made of 12.9 Grade Alloy Steel Black Zinc Plated, rust-proof, anti-corrosion,not easy to damage.
- Product packaging:M3*6 x 30PCS;M3*8 x 30PCS ;M3*10 x 30PCS; M3*12 x 30PCS; M3*16 x 30PCS;M3*20 x 30PCS;M3 Nut x 180PCS;M3 Flat Washers x 80PCS; M3 Lock Washers x 180PCS;1PCS Hex Wrench.
Rank No. #5
720 Pcs M3 Hex Socket Cap Bolts Screws Assortment Kit, Pan & Flat Head Hex Button Head Screws Assorted, Black Alloy Steel, M3x(4mm/6mm/8mm/10mm/12mm) (Black)
- Premium Material: The hex head bolts screws are made of excellent Alloy Steel material with good mechanical strength, which is wear-resistant, corrosion-resistant, good toughness and durable for long time use.
- Easy to Use: Hex socket head screws have well-made threads, clean and precise, guarantee not to deform during use, evenly stressed, and provide good fastening. Flat Head Hex Screws, the head can be better inserted into the mounting surface to ensure a smooth surface and improved force range.
- Easy to Store: All black hex socket pan and flat head screws are packed in a plastic storage box, all nut screw fasteners are in their individual compartments, easy to store and carry.
- Wide Applications: M3 thread button head screws can be widely used in 3D printers, computers, electronic equipment, fitness equipment, lawn mowers, etc., ideal for office equipment, communication equipment, ship conference and other industries.
- Package Includes: You will receive a total of 720 M3 hex socket screws, in the size of M3x(4mm/6mm/8mm/10mm/12mm), flat head and round pan head. Deep and clear hex heads can make your work easier.
Rank No. #6
Besitu 1600Pcs M3 Screw Kit, 12.9 Grade Alloy Steel Hex Socket Button & Cap Head Metric Screw Assortment M3 Bolts and Nuts Washers Kit Black Small Machine Screw Set for 3D Printing
- 【Hex Socket Button & Cap Head】280pcs M3 x 5/6/8/10/12/16/20/25/30mm hex socket head cap screws, 250pcs M3 x 6/8/10/12/16/20/25/30/35mm hex socket button head screws, 535pcs M3 nuts and 535pcs flat washers, 1600 pieces in total. Perfect size for assembling 3d printed items.
- 【12.9 Alloy and Zinc Plated】The m3 metric screw is made of 12.9 grade alloy steel, and zinc coated are designed for no corrosion with no oil face. All screws are machined very cleanly and have a quality finish on them.
- 【Time & Money Saver】Great bins for storage with a size chart on the inside and outside. Compared to the time it takes to go to a hardware store and the cost of buying single metric screws, this machine screw assortment is a time and money saver.
- 【Organized Package Box】With a total of 1600 pieces, this M3 screw kit offers a sufficient quantity of screws nuts washers to support multiple projects. The organized packaging makes it easy to locate and access the specific m3 screws you require, saving you time and improving efficiency during work.
- 【Wide Applications】This screw bolt and nut kit has everything you need to screw anything together, from furniture to electronics. They will get the job done for 3D prints and laser cut items no sweat. Also Must have for robot builders, allowing for precise jig setup and product centering.
Rank No. #7
600 Pcs M3 Screws Assortment Kit, M3x 6/8/10/12/16/20/25/30mm M3 Screw Kits 12.9 Alloy Steel Nuts and Bolts Assortment Kit Black Zinc Plated Hex Socket Head Screws Nuts Bolts and Washers Set
- 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.
Rank No. #8
M3 Screws Nuts and Washers Assortment, 631 Pcs 304 Stainless Steel Hex Socket Head Cap Screws Nuts Washers Kit - M3*6/8/10/12/16/20/25/30mm for 3D Printer DIY Home
- 【Top Quality 304 Stainless Steel】Screw and nut assortment is made of 100% high-quality 304 stainless steel material, with high hardness, superior rust resistance, and good corrosion resistance, and can be used for a long time in harsh environments such as high temperature, cold, or high humidity areas.
- 【One Set For Your Needs】IEAWISL has combined the 8 most commonly used M3 screw lengths and sizes on the market, namely M3x6mm-50pcs, M3x8mm-30pcs, M3x10mm-25pcs, M3x12mm-20pcs, M3x16mm-15pcs, M3x20mm-10pcs, M3x25mm-10pcs, M3x30mm-10pcs. Matching 1:1 with corresponding nuts, washers, lock washers and wrenches to combine into a perfect set of screws set, which promptly solves your anxiety of not being able to find the parts, and at the same time improves your installation efficiency and saves time.
- 【1:1 Matching Spring Washers】As we all know, nuts and flat washers can increase the contact area and reduce pressure to protect screws and parts. Within the IEAWISL screw and nut kit, we add extra 170Pcs spring washers to prevent the bolts from loosening. So you don't need to buy extra spring washers, saving you more time and money.
- 【Exquisite Storage Box】In order to solve the problem of damage or size confusion after you receive the M3 machine screw assortment kit, we have upgraded and thickened the packaging box and put a clear size label on the front and back of the packaging box. The partitions inside the box are also 1:1 separated according to the label to quickly find the size you need for work and improve efficiency.
- 【Wide Range Of Applications】M3 socket head screws set is very suitable for professionals, amateurs, maintenance personnel, and other DIY people. In daily life, it is mainly used in scenes that require fine adjustments such as 3D printers, engines, bicycles, electric motors, motorcycles, small home appliance repairs, photography equipment, and DIY projects.
Rank No. #9
100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish
- Material: 12.9 Alloy Steel
- Metric M3 screws,Thread Length: M3 x 10mm，Thread Diameter: 3mm,
- Thread Pitch: 0.5mm, Total Length: 13mm
- Head Diameter: 5.3mm，Head Height : 3mm
- Thread Coverage: Full Thread
Rank No. #10
260 Pcs M3 Hex Socket Flat Head Countersunk Bolts Screw Nut Assortment Kit-304 Stainless Steel
- 【Materials】: M3 socket head screws all made of high quality 304 stainless steel, never rusty, and durable. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using "
- 【Features】: Drive Type: Hex Socket; Head Style: Flat Head
- 【SIZES】: M3 Flat Head Countersunk Socket Cap Bolts Screws Nuts, According with standardized metric system. This nuts and bolts assortment kit included: M3x 6mm/ 8mm/ 12mm/ 16mm/ 20mm/ 25mm and m3 nuts "
- 【Package】: All of Screws and Nuts are packed in a durable and sturdy Box, package for each different type of screws for your convenience and storage.
- 【Wide Applications】--- M3 Flat Head Countersunk Socket Cap Screws and Nuts Assortment Kit wide use for professionals, amateurs, landlords, repairmen, other DIY
Last update on 2025-04-09 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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