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Home / Bearings & Bushings / 45# Medium Carbon Steel Straight Guide Bushing: Inner Diameter D10-D50, Shoulderless Straight Liner, Bushing, Steel Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Grade 45# Medium Carbon Steel
Hardness Treatment Quenched to HRC 40-45
Inner Diameter Tolerance H7 Standard Fit
Outer Diameter Tolerance g6 Precision Fit
Surface Roughness Ra 0.8 Microns
Configuration Shoulderless Straight Design
Available ID Range 10mm to 50mm
Protective Coating Anti-Rust Oil Finish
Primary Application Injection Mold Guide Systems
Quality Standard ISO 9001 Manufactured

5 reviews

A

Anonymous

Apr 20, 2026

Rating: 5/5

Excellent Precision

Used these for a new mold set. The fit was perfect and the steel quality feels robust. Highly recommend for precision tooling.

A

Anonymous

Apr 07, 2026

Rating: 5/5

Fast Delivery

Needed these urgently for a repair job. Arrived on time and worked exactly as expected in our machinery.

A

Anonymous

Apr 04, 2026

Rating: 4/5

Good Product

Steel quality is good, shipping packaging could be better to prevent minor scratches, but functionality is not affected.

A

Anonymous

Feb 12, 2026

Rating: 5/5

Repeat Purchase

Third time ordering. Consistency is key for us and this supplier delivers the same quality every time.

A

Anonymous

Feb 09, 2026

Rating: 5/5

Great Value

Hard to find this quality at this price point. We ordered multiple sizes and all met our specifications without issue.

5 FAQ

Q: Can I order custom lengths for these sleeves?

A: Yes, we offer customization services. Please contact our sales team with your specific dimensions.

Q: Do you ship internationally for industrial parts?

A: Yes, we ship worldwide. Shipping costs and times vary by location and order weight.

Q: Is a material certificate available upon request?

A: Yes, we can provide material certification documents for bulk orders or upon specific request.

Q: What lubrication do you recommend for these bushings?

A: Standard machine oil or grease suitable for carbon steel bushings is recommended for optimal performance.

Q: Is this suitable for high-speed automated machinery?

A: Designed for standard mold guide applications. For high-speed uses, please consult our engineering team.

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