HB 20070-2011
Bolts, long threads, flat head, for big interfere fit (English Version)

Standard No.

HB 20070-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Aviation

Latest

HB 20070-2011

Scope

This standard specifies the structure and dimensions of ordinary long 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 20070-2011 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
• HB 0-3 Mark for srew threads part
• HB 5800 General tolerance
• HB 5829 Common thread finish, shoulder distance, undercut, lead and chamfer
• HB/Z 335 Molybdenum disulfide dry film lubricant coating process for fasteners

HB 20070-2011 history

• 2011 HB 20070-2011 Bolts, long threads, flat head, for big interfere fit