Introducing our high-quality {Black grade 12.9 DIN 912 Cylindrical Socket cap screw/Allen bolt}, proudly manufactured by our expert factory. These screws are meticulously crafted to meet the highest industry standards, ensuring durability and reliability. The black finish adds a sleek touch to any project, while the 12.9 grade rating confirms their strength and resilience. With precise dimensions and a cylindrical socket cap design, these bolts offer easy installation and secure fastening. Trust in our factory's commitment to excellence and choose these superior screws for your next construction or assembly project.