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

Anonymous

Apr 15, 2026

Rating: 5/5

Sturdy Build

Holds the wheel securely. Feels very robust during operation.

Anonymous

Mar 11, 2026

Rating: 4/5

Good Quality

Steel is solid, needed minor cleanup with sandpaper but works great.

Anonymous

Feb 05, 2026

Rating: 5/5

Perfect Fit

Converted my old grinder easily. The fit was precise and there was no wobble.

Anonymous

Feb 04, 2026

Rating: 4/5

Works well

Does the job perfectly. Instructions could be clearer though.

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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