Introducing our premium quality DIN603 carriage bolt with a round head and square neck! As a distinguished factory, we take pride in offering top-notch products that are crafted with utmost precision. Designed for enhanced stability and durability, our bolts are perfect for various applications. Their round head ensures seamless installation and adds a sleek finishing touch. The square neck further enhances grip and prevents rotation during tightening. Trust in our factory to provide you with reliable and long-lasting bolt solutions that meet your requirements.