Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Inner Diameter	12 mm
Material	High-Carbon Steel
Hardness	HRC 58-62
Available Lengths	22 mm, 25 mm, 30 mm
Dimensional Tolerance	±0.01 mm
Surface Finish	Ground and Polished
Weight per Unit	Approx. 50 g
Package Quantity	5 Pieces
Country of Origin	Imported
Application	Industrial Machinery, Automotive Shafts

5 reviews

Anonymous

Apr 18, 2026

Rating: 5/5

Excellent Precision

These sleeves fit my 12mm shafts with zero play. Great for rebuilding old motors.

Anonymous

Apr 12, 2026

Rating: 5/5

Professional Grade

We use these for custom jig setups. Tolerances are accurate.

Anonymous

Apr 08, 2026

Rating: 5/5

Fast Shipping

Arrived quickly and exactly as described in the listing.

Anonymous

Mar 03, 2026

Rating: 4/5

Good Product

Works well but packaging could be better to prevent scratches.

Anonymous

Feb 06, 2026

Rating: 5/5

Durable Material

Steel quality is top notch. No signs of wear after weeks of use.

5 FAQ

Q: Do these require additional lubrication?

A: We recommend applying standard machine grease during installation.

Q: Is there a bulk discount for 100 units?

A: Yes, please contact our sales team for bulk pricing tiers.

Q: Can I order a length of 28 mm?

A: Custom lengths are available upon request via customer service.

Q: What is the outer diameter for the 30 mm length?

A: The standard outer diameter is 20 mm for all lengths in this series.

Q: Are these compatible with stainless shafts?

A: Yes, they work well with hardened stainless steel shafts.

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