Countersunk bolts, also known as Flat Head Hex Socket Bolts or Flat Head Socket Cap Bolts, are precision-engineered fasteners with a flat head and conical neck designed for flush surface installations. Manufactured in both metric and imperial sizes, they are available in UNC, UNF, UN, and ISO thread profiles. At Adfast Component, we produce Countersunk Bolts in a wide range of materials and grades including ASTM F568 (Grades 8.8, 10.9, 12.9), F593, SS304, SS316, and Duplex 2205. Explore our offerings for details on dimensions, thread types, torque values, and manufacturing standards.