The 100-piece M3 12.9 Grade Alloy Steel Hex Bolt Socket Head Cap Screws Kit is engineered for high-strength, precision fastening. Made from premium 12.9-grade alloy steel, these bolts offer exceptional tensile strength, durability, and resistance to wear and deformation under heavy loads. Featuring a hex socket head, they allow for secure tightening with an Allen key, ensuring better torque control and a firm grip.
Perfect for robotics, 3D printers, CNC machines, electronics assemblies, automotive work, and industrial equipment, this kit is ideal for DIY enthusiasts, engineers, and professionals. With 100 precision-engineered M3 screws, you’ll always have reliable fasteners ready for mechanical, structural, and repair applications. Built for performance and long-term reliability, this kit is a must-have for any workshop or toolbox.
