A4-80 M27 X 170 HEX BOLT DIN 931 is a precision-engineered fastener made from A4 stainless steel, ensuring durability and corrosion resistance. Compliant with DIN or ISO standards, it provides strong and secure fixing in structural, industrial, and marine applications. Its high-tensile strength ensures reliable performance in demanding environments, offering longevity and resistance to rust, chemicals, and extreme weather conditions.