We are a factory manufacturing high-quality Grade 4.8, 8.8, 10.9, and 12.9 Hex Allen Key Bolts. Our bolts are precisely manufactured to ensure a perfect fit and optimal performance. Grade 4.8 and 8.8 bolts are suitable for general use and have moderate strength, while Grade 10.9 and 12.9 bolts are designed for higher-stress applications such as aerospace, automotive, and construction. Our bolts are made from premium materials, ensuring corrosion resistance and durability. We offer a wide range of sizes and finishes to meet your specific needs. Trust us for all your Allen Key Bolt needs. Contact us today to place your order or learn more.