內(nèi)六角頭螺栓

DIN 912 is a German Industrial Standard that specifies the requirements for socket head cap screws. These screws are commonly used in a wide range of applicatio, including machinery and equipment assembly, automotive and aerospace industries, and standard specifies the dimeio, tolerances, and material requirements for socket head cap screws, including thread size, length, and head diameter. DIN 912 also specifies the surface finish, marking, and packaging requirements for these head cap screws are designed to provide a high-strength, low-profile fastening solution. The socket head design allows for high torque trafer and precision tightening, while the cap head provides a low-profile and aesthetically pleasing appearance.