Unifix Grade 4.8 Cup Square Hex Bolts And Nuts DIN 603/555 Bright Zinc Plated - M10 x 75 (Box of 125)Unifix Grade 4. 8 Cup Square Hex Bolts and Nuts are designed for reliable fastening in various applications. This set includes 125 bolts and nuts, perfect for both professional and DIY projects. High Quality Grade 4. 8 Steel for Strength Includes 125 Bolts and Nuts for Versatile Use DIN 603 555 Bright Zinc Plated Finish for Corrosion Resistance M10 x 75 Size Ideal for Heavy Duty Applications Easy to Install with Standard Tools