Introducing our premier product, the Black grade 12.9 DIN 912 Cylindrical Socket cap screw/Allen bolt. As a factory, we take pride in producing high-quality fasteners that are suitable for a wide range of applications. This premium screw is made from high-strength steel and features a sleek black finish that is both durable and aesthetically pleasing. With its cylindrical shape and Allen bolt head, it provides a secure and tight fit in any project. Whether you are a DIY enthusiast or a professional, this screw is an essential addition to your toolbox. Purchase with confidence knowing that our products are made with precision and care in our factory.