Wide Application for DIY & RepairsThis M3 screw assortment kit is perfect for 3D printing, electronics, RC models, DIY projects, furniture repairs, chair replacement and CNC machinery, providing reliable precision for all kinds of small assembly work.
Standard Metric Sizes & Precise DimensionsIncludes 8 commonly used lengths: M3×6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm. All meet standard metric specifications with high dimensional accuracy, ensuring a smooth fit for daily installation and maintenance.
High Strength 12.9 Grade Alloy SteelMade of premium grade 12.9 alloy steel for exceptional hardness, durability and load-bearing capacity. These screws are wear-resistant, sturdy and not easy to break, performing well even under demanding conditions.
Black Zinc Plating & Rust ProtectionFinished with black zinc plating, it features excellent rust and corrosion resistance, suitable for various indoor and outdoor environments to effectively extend overall service life.
Organized Storage & Reliable SupportAll fasteners come in a sturdy, labeled compartment storage box for easy sorting and access. Backed by strict quality inspection and long-term after-sales support, you can purchase and use with confidence.
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1015PCS M3 Screws Assortment Kit, Hex Socket Cap Head Screws M3x6/8/10/12/16/20/25/30mm, 12.9 Grade Alloy Steel Bolts & Nuts Assorted Set, Black Zinc Plated M3 Screw for 3D Printer
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First Listed on Newegg
July 20, 2026
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Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.