Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	High-Quality Brass
Inner Diameter	3.17mm
Taper Standard	JTO (Jacobs Taper 0)
Overall Length	25mm
Net Weight	15g
Surface Finish	Polished
Compatibility	Mini Drill Press, Motor Couplings
Hardness Rating	HB 80-90
Package Includes	1 x Sleeve Bearing
Application	Precision Machining, DIY Projects

5 reviews

Anonymous

Apr 18, 2026

Rating: 5/5

Great Adapter

Solved my coupling issue quickly. Shipping was fast too.

Anonymous

Apr 14, 2026

Rating: 5/5

Perfect Fit

Works exactly as described for my mini drill setup. The brass quality feels premium.

Anonymous

Apr 01, 2026

Rating: 4/5

Solid Piece

Does the job well, just make sure to measure your shaft size correctly.

Anonymous

Mar 23, 2026

Rating: 4/5

Good Quality

Brass is solid, needed a little polishing before use but otherwise great.

Anonymous

Feb 22, 2026

Rating: 5/5

Precise Engineering

No runout noticed during operation. Very happy with this purchase.

5 FAQ

Q: What is the outer taper size?

A: It conforms to JTO standard specifications.

Q: Can I use this with steel shafts?

A: Yes, brass bushings are compatible with steel shafts.

Q: Is this suitable for high RPM applications?

A: Yes, it is designed for standard drilling and motor speeds.

Q: Does this fit a 3mm shaft?

A: No, this is specifically designed for 3.17mm shafts.

Q: Is lubrication required before installation?

A: Light machine oil is recommended for longevity and smooth operation.

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