M3 Screws Kit 2560Pcs Socket Head Cap Screw Assortment 10 Sizes 3D Printing

Key features

• Electroplating Process + Oil-Free Design: Adopts high-quality electroplating technology with a smooth, dense surface free of greasy residues. No hand or tool staining during handling and installation, ensuring a clean and efficient construction process.
• 200+ Hours Salt Spray Test Certified: Complies with ISO 9227:2022 (Neutral Salt Spray/NSS) standard, with corrosion resistance exceeding 200 hours. No red rust on the surface, and white rust ratio ≤ 3%, easily adapting to harsh environments such as outdoor humidity and coastal high salinity.
• 12.9 Grade High-Strength Hardcore Quality: Meets 12.9 grade hardness standards, with tensile strength and shear resistance far superior to ordinary bolts. Capable of withstanding high-strength fastening requirements for heavy machinery and industrial supports.
• Rich specifications and ample quantity: This kit comes with 2560 Pcs M3 hex socket head cap screws, nuts and washers, featuring 10 frequently used lengths (4/6/8/10/12/16/20/25/30/35mm). It is ideal for assembly, fastening and maintenance of 3D printers, models, DIY projects and general hardware applications.
• Wide Application for 3D Printer, CNC & DIY: Perfect for 3D printing enthusiasts, RC model builders, electronics repair, CNC machinery, furniture assembly, and home repairs. Precision rolled threads ensure smooth rotation and secure fit for long-term use.

Free shipping on orders $50+. 30-day hassle-free returns.