The HUDY 106060 kit contains four extra hard drive shaft pins sized 2.5x10 for RC drivetrains. The extra hard treatment influences shear behavior and longevity compared with softer pin types, making them suitable for applications where increased resistance to shearing is desired.
To fit, verify the 2.5mm diameter and 10mm length suit the existing shaft groove and cup. Press the pin in straight and then check that the assembly rotates freely and has correct axial clearance. Harder pins reduce the chance of pin shear but may increase contact wear at mating surfaces; monitor parts after initial runs.
Keep this pack available when testing different failure points or when performing routine maintenance. Use them only where the 2.5x10 dimension is correct and avoid forcing pins into undersized holes to prevent damage.
Fit as direct replacements in matching 2.5x10 housings to restore secure drivetrain retention and to compare failure modes during setup changes.
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