HB 20069-2011
Bolts, short threads, 90° countresunk head, for big interfere fit (English Version)

Standard No.

HB 20069-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Aviation

Latest

HB 20069-2011

Scope

This standard specifies the structure and dimensions of ordinary short thread 90° countersunk head large interference bolts (hereinafter referred to as bolts). This standard is applicable to mechanical connections in areas with fatigue and sealing requirements.

HB 20069-2011 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 20069-2011 history

• 2011 HB 20069-2011 Bolts, short threads, 90° countresunk head, for big interfere fit