Four Pack Shaft Collar Three Eighths Inch Bore Zinc Plated Double Split Clamp On Shaft Collars Seven Eighths Inch Outer Diameter Three Eighths Inch Thick With M4 Set Screws Quick Install And Rock Solid Shaft Hold For Machinery
✔️ 3/8 bore, 7/8 OD, 3/8 thick; zinc plated, M4 screws, 4-pack
These zinc plated double split clamp-on shaft collars provide precise axial positioning for rotating and linear systems. They’re ideal for motors, gearboxes, linear rails, and CNC setups, delivering quick installation and solid shaft hold in harsh environments. The double split design clamps securely without shaft damage, and M4 screws ensure firm axial restraint.
| Dimension | Inches | Millimeters |
|---|---|---|
| Bore | 3/8" (0.375") | 9.525 mm |
| OD | 7/8" (0.875") | 22.225 mm |
| Thickness | 3/8" (0.375") | 9.525 mm |
✅ 3/8 bore, 7/8 OD, 3/8 thick; includes M4 set screws for secure axial hold
✅ Zinc plated carbon steel construction resists corrosion for long life
✅ Double split clamp-on design enables quick installation without shaft damage
✅ 4-pack provides multiple collars for motors, gearboxes, and CNC assemblies
💡 What is a shaft collar used for in machinery? Handy parts that locate and secure components on a shaft, keeping systems aligned and stable. - shaft positioning and axial retention for motors, CNC rails, and gearboxes - quick clamp-on installation reduces downtime - vibration control and reliable grip during operation