Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Copper
Shaft Diameter 1	2.3 mm
Shaft Diameter 2	3.17 mm
Product Type	Removable Sleeve
Connection Standard	JTO
Surface Treatment	Polished
Net Weight	4.5 grams
Package List	1 x Copper Sleeve
Usage Scenario	Motor Shaft & Drill Chuck
Key Feature	High Conductivity

5 reviews

Anonymous

Mar 04, 2026

Rating: 5/5

Perfect Fit

Worked exactly as described for my motor setup. The sizing is accurate.

Anonymous

Feb 23, 2026

Rating: 5/5

Precise

Dimensions are accurate, no wobble during operation.

Anonymous

Feb 09, 2026

Rating: 4/5

Solid Part

Does the job for light duty applications. Shipping was fast.

Anonymous

Feb 01, 2026

Rating: 4/5

Good Quality

Nice copper finish, slightly soft but holds well under normal use.

Anonymous

Jan 27, 2026

Rating: 5/5

Great Connector

Easy to install on the 3.17 mm shaft. No issues so far.

5 FAQ

Q: Will this fit a 3mm shaft?

A: No, this is designed for 2.3 mm and 3.17 mm shafts only.

Q: Can I use this for high torque motors?

A: It is best suited for standard hobby motors and light machinery.

Q: Is this made of pure copper?

A: Yes, it is manufactured using high-quality copper material.

Q: What is the total length?

A: The length conforms to standard JTO specifications for this sleeve type.

Q: Is installation difficult?

A: No, it is designed to be removable and easy to install.

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