Rivet nut · Reduced head · Half hexagonal, IHB series · Open end — Special thread to be confirmed
Distinct half-hexagonal configuration from the SHB series: compare photograph, drawing and variant dimensions; do not assume interchangeability.

Identification drawing, not to scale. A: reference projection after installation; actual value depends on installation. Thread pitch is not specified in the catalogue.
Thread identification under review: catalogue tables conflict with the heading. Codes cannot be selected until confirmed.