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)

Price: $9.99 - $6.99
(as of Aug 31, 2025 18:08:18 UTC – Details)

Premium M3 Screw Assortment
This kit contains 420 high-quality M3 screws made of 12.9 grade alloy steel, black oxide finish for high strength, corrosion resistance, and wear resistance. The screws come in a variety of sizes, including M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x16mm, M3x20mm, and M3x25mm, with 20 pieces of each size for a total of 140 screws.
The hex socket head design allows for easy tightening with a hex wrench, making them easy to use. These screws are versatile and can be used for a variety of applications, including 3D printing, woodworking, machinery repair, DIY projects, and more.
The kit also includes 140 M3 nuts and 140 M3 flat washers to meet your various needs. All screws and nuts are sorted and stored in a plastic storage box for easy access and organization.
Benefits of this kit include:

• Premium Material: High strength, corrosion resistant, wear resistant
• Complete Specifications: Meet different needs
• Easy to Use: Convenient to operate
• Versatile: Suitable for various applications
• Convenient Storage: Easy to store and organize

If you are looking for a high-quality M3 screw kit, this 420-piece kit is the perfect choice for you.
Product Dimensions ‏ : ‎ 5 x 3.5 x 0.7 inches; 8 ounces
Date First Available ‏ : ‎ January 21, 2024
Manufacturer ‏ : ‎ CARLWIN
ASIN ‏ : ‎ B0CSX4NX7R
Best Sellers Rank: #6,915 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #40 in Socket Head Screws
Customer Reviews: 4.7 4.7 out of 5 stars 269 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

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.