Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Grade	Carbon Steel C45 / Alloy Steel
Surface Hardness	45-50 HRC
Finish Type	Ground and Polished
Tolerance Standard	ISO H7/g6
Bore Size Range	50mm to 100mm
Wall Thickness	5mm to 12mm (Variable)
Heat Treatment	Quenched and Tempered
Protective Coating	Anti-Rust Oil
Primary Application	Hydraulic Cylinders and Machinery
Quality Certification	ISO 9001 Certified Facility

5 reviews

Anonymous

Apr 07, 2026

Rating: 5/5

Precise Dimensions

Matched specs perfectly. We ordered the 80mm bore and it slid in smoothly with the correct interference fit.

Anonymous

Mar 29, 2026

Rating: 4/5

Good Value

Works well for the price. There was a slight surface scratch on one unit but it did not affect performance.

Anonymous

Mar 26, 2026

Rating: 5/5

Strong Material

Withstood high pressure in our hydraulic system without deformation. Great quality steel.

Anonymous

Mar 18, 2026

Rating: 5/5

Fast Shipping

Arrived well packaged and protected from rust. Delivery was quicker than expected.

Anonymous

Jan 28, 2026

Rating: 5/5

Excellent Fit

Used these for machinery repair and the tolerance was spot on. Very happy with the hardness and finish.

5 FAQ

Q: Can I order custom lengths for these sleeves?

A: Yes, we offer custom cutting services. Please contact our sales team with your specific requirements.

Q: What is the return policy if the size is wrong?

A: We accept returns within 30 days if the item is unused and in original packaging.

Q: Do you offer discounts for bulk orders?

A: Yes, volume discounts are available for orders exceeding 50 units. Please request a quote.

Q: What type of lubrication is recommended for installation?

A: We recommend using standard lithium-based grease during installation to prevent galling.

Q: Are these sleeves completely rustproof?

A: They are coated with anti-rust oil for storage and transport. For wet environments, additional protection is advised.

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