Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	QSn4-3 Tin Bronze
Product Type	Wear-Resistant Sleeve
Compatible Machinery	Injection Molding Machines
Inner Diameter Specification	50 mm
Outer Diameter Specification	60 mm
Sleeve Length	100 mm
Hardness Level	HB 70-90
Surface Finish Quality	Ra 1.6
Dimensional Tolerance	H7/f7 Standard
Country of Origin	Mainland China

5 reviews

Anonymous

Apr 19, 2026

Rating: 4/5

Solid Build

Material quality is consistent with the description provided online.

Anonymous

Apr 11, 2026

Rating: 5/5

Great Value

Perfect for our non-standard machine requirements and priced reasonably.

Anonymous

Mar 06, 2026

Rating: 5/5

Excellent Durability

These sleeves hold up well under high pressure conditions in our factory.

Anonymous

Jan 31, 2026

Rating: 4/5

Good Fit

Dimensions were accurate but delivery was slightly slower than expected.

Anonymous

Jan 30, 2026

Rating: 5/5

Reliable Part

No wear observed after three months of continuous operation.

5 FAQ

Q: What is the warranty period?

A: We offer a 6-month quality warranty against manufacturing defects.

Q: Is material certification included?

A: Yes certs are provided with bulk orders upon request.

Q: Is lubrication required for installation?

A: Self-lubricating properties exist but oil is recommended for best performance.

Q: Do you ship internationally?

A: Yes we ship to most countries worldwide via standard freight methods.

Q: Can you manufacture custom lengths?

A: Yes we can produce non-standard lengths based on your drawings.

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