Wire thread inserts - Installation requirement
1 Subject content and applicable scope
This standard specifies the installation requirements and relevant dimension elements for steel wire inserts.
It is applicable to aero-space products and other mechanical products.
2 Normative references
GB 197 General purpose screw threads - Tolerances and fits
GJB 119.1 General-purpose insert, through threaded
GJB 119.2 General-purpose insert, blind threaded
GJB 119.3 Internal threads for wire thread insert installation
GJB 119.4 Technical specification for general-purpose wire thread inserts
HB 6200 Self-locking insert, through threaded
HB 6201 Self-locking insert, blind threaded
HB 6202 Technical specification for self-locking wire thread inserts
HB 5829 Run-outs, undercuts, guide, chamfers for general-purpose screw threads
3 General requirements
Both general-purpose and self-locking steel wire inserts are threaded bushings made of diamond-shaped cross-section steel wire via winding, but self-locking ones have a self-locking mechanism formed by one or more turns of polygon(s), and when they are screwed into a special threaded hole, a standard internal thread is formed.
3.1 The profile dimension of wire thread insert shall meet the requirements of GJB 119.4 and HB 6202.
3.2 The structural dimension of wire thread insert shall meet the requirements of GJB 119.1, GJB 119.2, HB 6200 and HB 6201.
1 Subject content and applicable scope
2 Normative references
3 General requirements
4 Requirements for threaded holes before installation
5 Installation of wire thread insert
6 Inspection
7 Structural dimensions of bolts (or screws) after installation
8 Disassembly of wire thread insert
Additional explanation:
