A
Anonymous
Apr 15, 2026
Rating: 5/5
Sturdy Build
Holds the wheel securely. Feels very robust during operation.
Description
Motor Adapter Rod, Connector, Reducing Sleeve, Grinding Wheel Shaft, Bench Grinder Adapter, Motor Modification Sleeve Rod
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Hardened Steel |
| Input Shaft Diameter | 12mm (0.47 inch) |
| Output Arbor Size | 20mm (0.79 inch) |
| Overall Length | 45mm |
| Outer Diameter | 25mm |
| Surface Treatment | Black Oxide Coating |
| Product Weight | 150g |
| Maximum RPM | 10,000 RPM |
| Thread Specification | M12 Right-Hand |
| Package Contents | 1x Adapter, 1x Nut, 2x Washers |
5 reviews
A
Anonymous
Mar 11, 2026
Rating: 4/5
Good Quality
Steel is solid, needed minor cleanup with sandpaper but works great.
A
Anonymous
Feb 05, 2026
Rating: 5/5
Perfect Fit
Converted my old grinder easily. The fit was precise and there was no wobble.
A
Anonymous
Feb 04, 2026
Rating: 4/5
Works well
Does the job perfectly. Instructions could be clearer though.
A
Anonymous
Feb 01, 2026
Rating: 5/5
Exactly what I needed
Saved me buying a new motor. Highly recommend for retrofitting.
5 FAQ
Q: Is the thread left or right handed?
A: It comes with a standard right-hand thread nut.
Q: Will this fit a 1/2 inch shaft?
A: No, this adapter is specifically designed for 12mm shafts.
Q: What is the hardness rating?
A: It is made from hardened steel for durability and wear resistance.
Q: Does it come with a locking nut?
A: Yes, one nut and two washers are included in the package.
Q: Can I use this for wood buffing wheels?
A: Yes, provided the speed does not exceed the maximum RPM rating.
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