Du-Bro 5/32" Dura-Collars (4-Pack) – Steel Shaft Collars with Set Screws for RC & Mechanical Applications [DUB140]

The Du-Bro 5/32" Dura-Collars (part number DUB140) are precision-engineered steel shaft collars designed to fit 5/32" (4mm) diameter shafts. Perfect for securing wheels, gears, pulleys, or control arms, these collars are widely used in RC aircraft, cars, boats, and robotics for reliable axial positioning and rotational control.

Each collar features a hardened set screw that grips firmly without damaging the shaft, while the included Allen wrench ensures fast, hassle-free installation.

Key Features:

• Part Number: DUB140

• Fits: 5/32" (4mm) diameter shafts

• Includes:

  • 4 steel shaft collars

  • 4 set screws

  • 1 Allen wrench

• Material: Durable, hardened steel

• Applications: RC models, robotics, control linkages, mechanical assemblies

• Function: Prevents axial movement and holds components in place

Get dependable, secure performance in your next build or repair with Du-Bro 5/32" Dura-Collars (4-Pack) [DUB140]—a trusted choice for hobbyists and builders alike.