Step Down Shaft Adapter Clamp On Mild Steel With Black Oxide Finish Three Quarters Inch Bore To One Half OD One And Three Quarter Inch Length Quarter Inch By Five Eighths Inch Set Screw Delivers Torque Transmission And Shaft Alignment Without Marring

Clamp-On Step-Down Shaft Adapter, Mild Steel, Black Oxide
✔️ Single unit, bore 3/4 in to 1/2 in shaft, OD 1-3/4 in, 3-1/2 in long

This clamp-on step-down adapter is made from mild steel with a black oxide finish. It’s designed to grip a shaft securely while transmitting torque and keeping alignment, making it ideal for machining setups, tooling builds, and workshop projects where you need to reduce shaft size without disassembly.

✅ Bore 3/4 in
✅ Bore depth 1 5/8 in
✅ Shaft Dia 1/2 in
✅ Shaft Length 1 1/4 in
✅ Overall Length 3 1/2 in
✅ Adapter Dia 1 3/4 in
✅ Set Screw 1/4 in x 5/8 in
✅ Material: Mild steel, finish: Black oxide

💡 What is a clamp-on step-down shaft adapter used for in mechanical assemblies?

It links a smaller shaft to a larger drive while maintaining torque and keeping the shaft aligned.

- Torque transmission and shaft alignment without marring
- Clamp-on design for quick installation without major disassembly
- Supports 3/4 in bore and 1/2 in shaft with 1 3/4 in adapter diameter
- Overall length 3 1/2 in and bore depth 1 5/8 in
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