Mr. Pen- Nuts and Bolts Assortment Kit, 272 pcs, Black Carbon Steel

Mr. Pen nuts and bolts assortment kit includes 272 pieces of flange hex head bolts, nuts, washers, and lock washers, offering a comprehensive selection for metric fastening applications. | Made from high-grade 10.9 medium carbon alloy steel, this set delivers excellent strength, durability, and resistance to wear under high-stress conditions. | Includes metric sizes M6, M8, and M10, with bolt lengths ranging from 12mm to 30mm, ideal for a wide variety of mechanical and construction uses. | Designed with anti-slip gear and full deep threading to ensure secure, anti-loosening installation even in heavy-duty tasks. | Perfect for automotive, industrial, or home repair projects, each piece is organized in individual compartments for easy access and efficient workflow.