This standard specifies the structure and dimensions of ordinary short thread flat head large interference bolts (hereinafter referred to as bolts). This standard is applicable to mechanical connections in areas with fatigue and sealing requirements.
HB 20071-2011 Referenced Document
GB/T 192-2003 General purpose metric screw threads--Basic profile
GB/T 193-2003 General purpose metric screw threads--General plan
GB/T 196-2003 General purpose metric screw threads--Basic dimensions
GB/T 197-2003 General purpose metric screw threads--Tolerances
GJB 1951 Specification for high quality structural steel rods for aerospace use