Introducing our high-quality Cap Head Square Neck Bolts DIN 603! We are a reputable factory specializing in manufacturing and supplying these bolts at wholesale prices. Crafted with precision, our bolts are available in various strengths: 4.8, 6.8, 8.8, 10.9, and 12.9. With excellent durability and strength, they are perfect for industrial applications. The square neck design ensures a secure fit and prevents rotation during tightening. Count on us for reliable products that meet DIN 603 standards. Join us as a valued customer and take advantage of our competitive wholesale prices!