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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.

2,140 Reviews Scanned

SaleRank No. #1
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
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
  • ✔ 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
  • ✔ Includes 500 Pcs M3 Nuts to Meet Different Applications; Material of Nuts: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
  • ✔ Includes 500 Pcs Φ3 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
  • ✔ 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
  • ✔ Package: All These Screws, Nuts, Washers and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily
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SaleRank No. #2
iexcell 1500 Pcs M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
iexcell 1500 Pcs M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
  • ✔ 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/mm²
  • ✔ Includes 500 Pcs M3 Nuts to Meet Different Applications, Material of Nuts: Alloy Steel 10B21, Black Oxide Finish
  • ✔ Includes 500 Pcs Φ3 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
  • ✔ 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
  • ✔ Package: All These Screws, Nuts, Washer and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily
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Rank No. #3
DYWISHKEY 360 Pieces M3 x 4mm/6mm/8mm/12mm/16mm/20mm Stainless Steel 304 Hex Button Head Cap Bolts Screws and Nuts Kit
DYWISHKEY 360 Pieces M3 x 4mm/6mm/8mm/12mm/16mm/20mm Stainless Steel 304 Hex Button Head Cap Bolts Screws and Nuts Kit
  • 【SIZES】--- M3 x 4mm, M3 x 6mm, M3 x 8mm, M3 x 12mm, M3 x 16mm, M3 x 20mm Hex Button Head Cap Bolts Screws Nuts. According with standardized metric system. And the average error is less than 0.01mm. Total 6 different sizes can meet your different needs.
  • 【HIGH QUALITY】--- Made of high quality 304 stainless steel, which feature is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of 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.
  • 【PACKAGE】--- All of Bolts and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the bolts being scattered or lost during use, we specially package for each different type of bolts for your convenience and storage. Not only give you the best product, but also the best storage system for them.
  • 【WIDE APPLICATIONS】--- M3 Hex Button Head Bolts Screws and Nuts Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The set is perfect to replace broken and missing screws. When you are mad for the missing bolts, it is a perfect friend for you. The kit has lots of different sizes, which can meet the maximum of requirement for you.
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Rank No. #4
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
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.
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Rank No. #5
iexcell 400 Pcs M3 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
iexcell 400 Pcs M3 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
  • ✔ Includes 200 Pcs, 8 Sizes, M3 Hex Socket Head Cap Screws: M3 x 4, M3 x 5, M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 16, M3 x 20
  • ✔ Material of Screws: Alloy Steel 40Cr, Strength Grade: 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220 N/mm²; Surface Finish: Black Oxide Finish with Anti-rust Oil
  • ✔ Includes 200 Pcs M3 Nuts to Meet Different Applications, Material of Nuts: Alloy Steel
  • ✔ Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • ✔ Package: All These Screws, Nuts and Hex Key Packed In a Sturdy Easy-use Plastic Storage Case, Organized Conveniently and Easily
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SaleRank No. #6
DYWISHKEY 360 Pieces M3 x 6mm /8mm/10mm /12mm/16mm/20mm Stainless Steel 304 Hex Socket Head Cap Bolts Screws and Nuts Kit
DYWISHKEY 360 Pieces M3 x 6mm /8mm/10mm /12mm/16mm/20mm Stainless Steel 304 Hex Socket Head Cap Bolts Screws and Nuts Kit
  • 【SIZES】--- M3 x 6mm, M3 x 8mm, M3 x 10mm, M3 x 12mm, M3 x 16mm, M3 x 20mm Hex Socket Head Cap Bolts Screws Nuts. According with standardized metric system. And the average error is less than 0.01mm. Total 6 different sizes can meet your different needs.
  • 【HIGH QUALITY】--- Made of high quality 304 stainless steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of 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.
  • 【PACKAGE】--- All of Bolts and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the bolts being scattered or lost during use, we specially package for each different type of bolts for your convenience and storage. Not only give you the best product, but also the best storage system for them.
  • 【WIDE APPLICATIONS】--- M3 Hex Socket Head Bolts and Nuts Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The set is perfect to replace broken and missing bolts. When you are mad for the missing bolts, it is a perfect friend for you. The kit has lots of different sizes, which can meet the maximum of requirement for you.
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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
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.
  • Product Material : Made of 12.9 grade high strength alloy steel, sturdy and durable. Overall oxidization treatment, anti-rust and corrosion resistant.
  • We strive to provide you with high quality and convenient service. You are welcome to contact us if you have any problem about our product, we will give you a satisfactory reply.
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SaleRank No. #8
K Kwokker 1263PCS Metric Bolt Assortment M2 M3 M4, 21 Sizes 12.9 Alloy Steel Screws Nuts and Washers Hex Socket Head Cap Machine Screws, Bolts and Nuts Kit Black
K Kwokker 1263PCS Metric Bolt Assortment M2 M3 M4, 21 Sizes 12.9 Alloy Steel Screws Nuts and Washers Hex Socket Head Cap Machine Screws, Bolts and Nuts Kit Black
  • √ [Larger Quantity: 1260 Pieces, 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 x bolts; 140 x M2 Nuts; 140 x M2 Washers. M3: Bolt length: 4mm, 8mm, 12mm, 16mm, 18mm, 20mm, 30mm. Each length 20 x bolts; 140 x M3 Nuts; 140 x M3 Washers. M4: Bolt length: 6mm, 8mm, 10mm, 14mm, 18mm, 20mm, 30mm. Each length 20 x bolts; 140 x M4 Nuts; 140 x M4 Washers. 3 x hex keys.
  • √ [21 Sizes More Choices, Custom 7 Lengths for 1 Model, Screws Assortment Accord with Standardized Metric System] Different size of M2 M3 M4 screws and nuts total 1260pcs. The average error is less than 0.01mm.
  • √ [High Quality 12.9 Grade Alloy Steel. More Than 20 Years of Experience in Fastener Tool Production] Nice Screws assortment, durable nuts and bolts. Extraordinary Technology & Professional & Durability.
  • √ [Please Note: Add a Little Anti-Rust Oil To The Product, In Order To Be More Durable] It's Anti-Rust Oil, Not Rust. Each screw is packed separately in a transparent bag, and then put in the box to avoid confusion. Storage: Assorted screws all are stored in one storage bin box, easy and convenient for storing and carrying, in case of missing or confusing.
  • √ [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.
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Rank No. #9
PATIKIL M12 x 0.75 Steel Hex Nuts, 30 Pack Metric Thread Zinc Plated Finished Hardware Nuts Screw Bolt Fasteners 3mm Height
PATIKIL M12 x 0.75 Steel Hex Nuts, 30 Pack Metric Thread Zinc Plated Finished Hardware Nuts Screw Bolt Fasteners 3mm Height
  • Color: Silver Tone, Material: Zinc Plated Carbon Steel, Thread Size: M12 x 0.75, Hexagon Width: 14mm / 0.55 inch, Total Height: 3mm / 0.12 inch
  • Advantage: The zinc plated finished surface of the carbon steel make the hex nuts more durable to use. With the hexagon head, the hex nuts are easy to be tighten by a wrench.
  • Instruction: Easy to use, hex nuts are usually used with bolts, screws, and other components with external thread. Just screw the hex nuts on bolts or screws directly for fastening the parts.
  • Application: These metric thread hex nuts are common fastening parts with a wide range of application. Suitable to use on chandelier, lamps, machinery maintenance or repair, and the DIY Projects etc.
  • NOTE: Please confirm the thread of these hex nuts.
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Rank No. #10
SZHKM 500pcs M3 Nuts and Bolts Assortment Stainless Steel Machine Screws Metric M3 Screws and Nuts Set Hex M3 Bolt Kit with Wrench
SZHKM 500pcs M3 Nuts and Bolts Assortment Stainless Steel Machine Screws Metric M3 Screws and Nuts Set Hex M3 Bolt Kit with Wrench
  • HIGH QUALITY--SZHKM m3 bolts and nuts assortment is made of good quality 304 stainless steel material,which has the advantages of strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. The m3 screws set have superior rust resistance and the excellent of oxidation resistance, you can use our m3 screws and nuts kit for a very long time.
  • PACKAGE--- All of these m3 machine screws are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid those m3 bolts,m3 nuts and m3 washers stainless steel machine screws being scattered and lost when you are using these nut and bolt assortment kit , we specially package for each different type of hex bolt for your convenience and storage. it's convenience storage system for all these m3 bolts kit assorted.
  • FUNCTION--This set of m3 screws assorted consists of hex m3 screws nuts and bolts, m3 washers, and a humanized installation design. And free hex wrenches.
  • SAFETY--The M3 bolts and nuts set mixed nuts Construction of good quality materials and use of unlimited hazardous material to ensure your personal safety during the using.
  • WIDELY USED-- SZHKM m3 nuts and bolts machine screws assortment kit mixed can be 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.
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Last update on 2022-11-11 / Affiliate links / Images from Amazon Product Advertising API

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