3/8 Inch Bore Solid Steel Shaft Collars Zinc Plated 4 Pack With 3/4 Inch Outer Diameter And 3/8 Inch Width Includes 1/4-20 Set Screws 3/16 Inch For Quick Clamp And Precise Positioning
✔️ 4 pcs: bore 3/8 in, OD 3/4 in, width 3/8 in, screws 1/4-20×3/16
These zinc-plated, set-screw shaft collars lock components firmly on shafts, offering precise positioning and axial support in machinery and workshop builds.
✅ 4-piece pack of 3/8 bore shaft collars with 1/4-20×3/16 set screws
✅ Carbon steel with zinc coating for corrosion resistance and weldability
✅ Socket cup-point setscrews provide secure clamping on shafts
✅ Ideal for drive shafts, gearboxes, machine tooling, and hobby projects
| Dimension | Inches | Millimeters |
|---|---|---|
| Bore (ID) | 3/8 in | 9.525 mm |
| Outer diameter (OD) | 3/4 in | 19.05 mm |
| Width | 3/8 in | 9.525 mm |
| Set screw | 1/4-20 × 3/16 in | 4.76 × 4.76 mm |
💡 What is a shaft collar used for in mechanical assemblies? In short, shaft collars provide a handy way to locate components on a shaft and keep things from moving. - Handy for securing components on shafts and preventing axial movement - Useful for setting precise positions and providing axial support in drives, gearboxes, and tooling - Easy to install with set screws for quick, repeatable mounting in machines - Common in robotics, conveyors, CNC machinery for quick, repeatable setup