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The Best 3Mm Bolt And Nut of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3Mm Bolt And Nut of 2022. Check our ranking below.

2,713 Reviews Scanned

Rank No. #1
Zmbroll 620 Pcs M2.5 Flat Head Machine Screws Black Phillips Screws Bolts Nuts Assortment Kit M2.5 x 3mm/4mm/5mm/6mm/8mm/10mm/12mm/14mm
  • These M2.5 black screws material:Made of high quality carbon steel,black screws,with high hardness,anti-corrosion and good stability,These screws are very small screws,use for small appliances
  • Thread Type :Machine screws; Pitch: 0.45mm;Drive Type :Phillips;Head Type: Flat Countersunk Head; Threading:Right Hand;Measurement system:Metric
  • Package include 8 Sizes M2.5 machine screws and 100 pcs black screw nuts,black screwssizes:M2.5 x 3mm/4mm/5mm/6mm/8mm/10mm/12mm/14mm
  • You will get 620 Pcs M2.5 Flat head cross machine screws and nuts in a handy box for convenient storage,the quantity is enough for you to use at home or work
  • Wide applications: Suitable for household, office equipment industry, the electronics industry, the communications industry, machinery, etc.
Rank No. #2
K Kwokker 1263PCS Metric Bolt Assortment M2 M3 M4, 21 Sizes 4MM to 30MM Upgraded Zinc Plated Hex Socket Head Cap Machine Screws, 12.9 Alloy Steel Bolts and Nuts Kit Screws Nuts and Washers
  • โˆš [๐‹๐š๐ซ๐ ๐ž๐ซ ๐๐ฎ๐š๐ง๐ญ๐ข๐ญ๐ฒ: ๐Ÿ๐Ÿ๐Ÿ”๐ŸŽ ๐๐ข๐ž๐œ๐ž๐ฌ, Various M2 M3 M4 Screws with Nuts and Flat Washers Meet All Demands] Nice set screw assortment kit. M2: Bolts are in 7 lengths: 4mm, 6mm, 8mm, 12mm, 16mm, 20mm, 25mm. Each length 20 bolts; 140 M2 Nuts; 140 M2 Washers. M3: Bolt length: 4mm, 8mm, 12mm, 16mm, 18mm, 20mm, 30mm. Each length 20 bolts; 140 M3 Nuts; 140 M3 Washers. M4: Bolt length: 6mm, 8mm, 10mm, 14mm, 18mm, 20mm, 30mm. Each length 20 bolt; 140 M4 Nut; 140 M4 Washer. 3 hex keys.
  • โˆš [๐Ÿ๐Ÿ ๐’๐ข๐ณ๐ž๐ฌ ๐Œ๐จ๐ซ๐ž ๐‚๐ก๐จ๐ข๐œ๐ž๐ฌ, ๐Ÿ’๐Œ๐Œ ๐ญ๐จ ๐Ÿ‘๐ŸŽ๐Œ๐Œ, ๐‚๐ฎ๐ฌ๐ญ๐จ๐ฆ ๐Ÿ• ๐‹๐ž๐ง๐ ๐ญ๐ก๐ฌ ๐Ÿ๐จ๐ซ ๐Ÿ ๐Œ๐จ๐๐ž๐ฅ, Screws Assortment Accord with Standardized Metric System] Different size of M2 M3 M4 screws and nuts total 1260pcs. 4MM to 30MM, short and long, more lengths to meet more need. Others: Maximum length is just 16mm/20mm/25mm. K Kwokker has more bolts, with a quantity of 420pcs, while others only have 200+ / 300+ bolts.
  • โˆš [๐Œ๐จ๐ซ๐ž ๐‚๐ฅ๐ž๐š๐ง ๐š๐ง๐ ๐“๐ข๐๐ฒ, ๐”๐ฉ๐ ๐ซ๐š๐๐ž๐ ๐™๐ข๐ง๐œ ๐๐ฅ๐š๐ญ๐ž๐ Screw Set, Practical Gifts for Family, Friends] K Kwokker: Upgraded Zinc Electroplated + Black Oxidized Version, 2 production processes, extended rust prevention time, no need to add anti-rust oil, cleaner and tidier. Others: Only black oxidized or only zinc electroplated version. K Kwokker screw is packed separately in a transparent bag. Storage: Assorted screws all are stored in one storage bin box, convenient for storing.
  • โˆš [๐Œ๐จ๐ซ๐ž ๐“๐ก๐š๐ง ๐Ÿ๐ŸŽ ๐˜๐ž๐š๐ซ๐ฌ ๐จ๐Ÿ ๐„๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž ๐ข๐ง ๐…๐š๐ฌ๐ญ๐ž๐ง๐ž๐ซ ๐“๐จ๐จ๐ฅ ๐๐ซ๐จ๐๐ฎ๐œ๐ญ๐ข๐จ๐ง. High Quality 12.9 Grade Alloy Steel] Nice Screws assortment, durable nuts and bolts. Extraordinary Technology & Professional & Durability.
  • โˆš [๐–๐ข๐๐ž ๐”๐ฌ๐š๐ ๐ž, K Kwokker Nut And Bolt Assortment Can Be Widely Used] in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.
SaleRank No. #3
440 Pcs M3 Small Metric Screws with Nuts, Hex Socket Head Cap and Nut Assortment Kits, Stainless Steel Replacement Machine Fastener Screws and Bolts Nuts (440Silver)
  • 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.
Rank No. #4
iexcell 1500 Pcs M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
  • โœ” Includes 500 Pcs, 13 Sizes, M3 Hex Socket Button Head Cap Screws, Thread Pitch 0.5 mm, Thread Size ( Diameter) 3 mm, Head Diameter 5.5 mm, Head Height 1.6 mm, Thread Length From 6 mm to 50 mm; Material of Screws: Alloy Steel 10B21, Black Oxide Finish; Strength Grade of Screws : 10.9 Grade, Hardness: HRC 32-39, Tensile Strength: 1040 N/mmยฒ
  • โœ” Includes 500 Pcs M3 Hex Nuts to Meet Different Applications, Material of Nuts: Alloy Steel 10B21, Black Oxide Finish
  • โœ” Includes 500 Pcs ฮฆ3 Washers: Add More Touch Area to Meet Special Condition In Some Cases and Protect Parts from Being Damaged, Material of Washers: Alloy Steel 10B21, Black Oxide Finish
  • โœ” Includes 1 Pcs Hex Key, Hex Size: 2.0 mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • โœ” Package: All These Screws, Nuts, Washer and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily
Rank No. #5
SZHKM 600PCS 12.9 Grade M3 Nuts and Bolts Assortment Set Hex M3 Nuts M3 Washers M3 Screws Hex Socket Head Cap Screw Assortment Kit Alloy Steel with Wrench
  • Wide Application:This M3 bolts and nuts assortment kit and m3 screws is great for professionals, amateurs, landlords, handymen, repair men, women, woodworking, construction, plumbing, HVAC and so on. These metric bolts and nuts assortment can be widely used in manual DIY production, robots, UAVs, aerial aircraft, 3D printing equipment, communication equipment, medical equipment, food machinery, petrochemical industry, marine power facilities, architecture and other fields .The M3 scr
  • High Quality: This M3 bolts and nuts assortment kit M3 screws hex head screws M3 nut M3 washer is made of high quality Alloy Steel,which features high strength and offers good corrosion resistance in bad environment like high temperature ,cold weather, and high humidity areas.And also these metric 3mm screw assortment kit anti oxidation,high toughness. They have superior rust resistance and the excellent , which can ensure use these m3 screws m3 nut and m3 washer black a long time,ver
  • Safety and Sweet:Our M3 bolts and nuts assortment kit m3 screws m3 nuts and m3 washer with high quality material, which is environmental protection and non-poisonous. In the process of using, these screws and nuts are no toxic substances releasing to ensure your safety. And we add an Allen Wrench on package to make working convenience for you when you are using these m3 nuts and bolts.
  • Smooth Surface:Our M3 bolts and nuts assortment kit is very smooth,which make these nuts and bolts assortment firm and strong The deep and clear hex head and socket can make your working more easily. Our screws and nuts m3 washer black according with standardized metric.
  • Useful Nuts and Bolts l Assortment:The M3 screws m3 nut and m3 washer black come on a very nice case. Our hardware assortment kit contains 6 M3 popular sizes: M3*6 50pcs, M3*8 30pcs, M3*10 30pcs,M3*12 30pcs, M3*16 30pcs,M3*20 30pcs and M3 Nut 100pcs,M3 washer 200pcs,M3 spring washer 100pcs, All of All of m3 Screws and nuts will be packed in a durable plastic box with specification label,which is a very nice storage for these nuts and bolts.
SaleRank No. #6
M3 Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit, 750 Pcs Metric Allen Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Fully Threaded, Black Oxide Finish (A)
  • Exquisite Material: The hex socket head cap screws bolts and nuts set are made of high-quality 12.9 grade alloy steel, which has good corrosion resistance, high temperature resistance, wear resistance, high hardness, oxidation resistance and durability, not easy to break or deform, and resistant to rust , can maintain good performance in harsh environments.
  • Hex Socket Head Cap Design: Tight threads are clean, accurate, and smooth, not prone to warping during rolling. The Socket head cap design can be easily installed with a hexagonal wrench, and it is not easy to slip out. The combination of Washers and hex nuts can increase the contact area, reduce pressure, prevent loosening and protect parts.
  • Easy to Store: All socket head screws and nuts and flat washers set are stored in a transparent and sturdy storage box with compartments. Hex socket cap head screws are stored separately, well organized, easy to carry and find. There is no confusion during transportation and it is convenient to use.
  • Wide Range of Applications: Ideal for use by professionals, woodworkers, hobbyists, landlords, repairmen, and others. Suitable for electronic products, furniture installation and maintenance, household appliances, bicycles, automobiles, motorcycles and other vehicle maintenance, mechanical equipment, ship accessories and other fields.
  • Package Includes: 750 pcs in total, including 30 pcs m3x6mm, 30 pcs m3x8mm, 30 pcs m3x10mm, 30 pcs m3x12mm, 30 pcs m3x16mm, 20 pcs m3x18mm, 20 pcs m3x20mm, 20 pcs m3x25mm, 20 pcs m3x30mm , 20 pcs m3x35mm, 250 pcs m3 nuts, 250 pcs m3 washers, rich in size and quantity, to meet your needs in different occasions and fields.
Rank No. #7
300PCS M2 x 3-20mm 12.9 Grade Black Hex Socket Screw Bolt and Nut Kit Alloy Steel Button Head Socket Cap Bolts
  • Stable performance : Our screw thread is very sharp, clean and accurate. And the compact thread is not easy to out of shape and slid in the process of rolling.
  • Complete Specification : Provide different length of M2 screws to meet your needs ,ideal for automotive maintenance, machine repair, household use.
  • Good Packaging : All of screws nuts and washers will be packed in a sturdy convenient case, can be use for a storage box, is organized to you.
  • Good Material : Made of 12.9 grade high strength alloy steel, sturdy and . Overall oxidization treatment, anti-rust and resistant.
  • After Sale Service : If you do not satisfy with our products or if you have any questions, please come to us. We would work out satisfactory solution to all your problems.
Rank No. #8
HELIFOUNER 540 Pieces M3 x 6mm /8mm /12mm /16mm /20mm /25mm /30mm, Button Head Socket Cap Screws Bolts Washers Nuts Kit, 304 Stainless Steel
  • ใ€Sizesใ€‘M3 x 6mm /8mm /12mm /16mm /20mm /25mm /30mm button head socket cap screws with matching hex nuts, lock washers and flat washers, total 7 sizes, different sizes can meet your different needs.
  • ใ€Materialใ€‘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.
  • ใ€Packageใ€‘540 pieces in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain screw, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.
  • ใ€Wide Applicationsใ€‘Widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
  • ใ€Tipsใ€‘Products contain small parts, keep away from children and prevent inadvertent swallowed. All screws are special sharp with screw thread, please keep away from kids. Whenever you need us, please free to contact us, we will give you a professional service and reply you within 24 hours.
Rank No. #9
iexcell 1500 Pcs M3 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit
  • โœ” Includes 500 Pcs, 13 Sizes, M3 Hex Socket Button Head Cap Screws Assortment, Thread Pitch 0.5 mm, Thread Size (Diameter): 3 mm, Head Diameter 5.5 mm, Head Height 1.6 mm,Thread Length: From 4 mm to 50 mm; Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
  • โœ” Includes 500 Pcs M3 Hex Nuts to Meet Different Applications; Material of Nuts: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
  • โœ” Includes 500 Pcs ฮฆ3 Washers: Add More Touch Area to Meet Different Applications, Protect Parts from Being Damaged; Material of Washers: Stainless Steel 304, High Strength, Anti-corrosion in Various Conditions
  • โœ” Includes 1 Pcs Hex Key, Hex Size: 2.0 mm, to Drive These Screws Conveniently and Easily; Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • โœ” Package: All These Screws, Nuts, Washers and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily
SaleRank No. #10
iexcell 800 Pcs M3 x 4/5/6/8/10/12/14/16/20/25/30 Stainless Steel 304 Hex Socket Head Cap Screws Bolts Assortment and Nuts Kit
  • โœ” Includes 400 Pcs M3 Hex Socket Head Cap Screws, Thread Pitch 0.5 mm, Thread Size Diameter 3 mm ( Range: 2.927 ยฑ 0.053 mm ), 11 Different Thread Lengths Assortment from 4 to 30 mm: M3 x 4, M3 x 5, M3 x 6, M3 x 8, M3 x10, M3 x 12, M3 x 14, M3 x 16, M3 x 20, M3 x 25, M3 x 30; Material: Stainless Steel 304, High Strength and Anti-corrosion in Various Conditions
  • โœ” 400 Pcs M3 Hex Nuts, Thread Pitch 0.5 mm, to Meet Different Applications; Material: Stainless Steel 304, High Strength and Anti-corrosion in Various Conditions
  • โœ” 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily; Material: Chrome-Vanadium Steel and Nickel Plated: Higher Strength and Anti-rust
  • โœ” Package: 400 Pcs M3 Hex Socket Head Cap Screws, 400 Pcs M3 Hex Nuts and 1 Pcs Hex Key Come in a Multi-compartments Organizer Box, Organized Conveniently and Easily

Last update on 2024-05-26 / Affiliate links / Images from Amazon Product Advertising API

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