Hirobo HI2521063 Axial Positioning Collar 3 x 7 x 15.5 for Shafts  [HI2521063]

Axial Positioning Collar for Model Shafts

The Hirobo collar is an accessory for RC-scale applications that locates or spaces parts along a shaft in helicopter-style assemblies and similar models. The part is identified by code HI2521063 and the dimensional listing 3 x 7 x 15.5 shown in the title.

Apply this collar where a compact stop or precise gap is needed between moving parts or linkages. As with comparable collars, verify clearance and fit on the target shaft prior to final installation to avoid binding or misalignment in the drivetrain or control linkages.

Basic installation notes: make sure the collar seats squarely and that adjacent parts remain correctly aligned. Minor adjustments to the collar position can change shaft endplay and spacing, so make small changes and confirm free movement after installation.