Anonymous
Apr 12, 2026
Rating: 5/5
High Quality Steel
Very hard and durable material. Holds up well under stress.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Hardened Carbon Steel |
| Inner Diameter Options | 8mm, 9mm, 10mm, 12mm |
| Outer Diameter Range | 14mm to 18mm |
| Length Options | 20mm, 30mm, 40mm, 50mm |
| Surface Hardness | 58-62 HRC |
| Surface Finish | Precision Polished |
| Dimensional Tolerance | ISO H7 / g6 |
| Heat Treatment | Quenched and Tempered |
| Application Scope | Linear Motion, Machinery Repair |
| Package Quantity | 5 Pieces per Box |
Anonymous
Apr 12, 2026
Rating: 5/5
High Quality Steel
Very hard and durable material. Holds up well under stress.
Anonymous
Mar 19, 2026
Rating: 4/5
Good Value
Works well for the price but shipping took a week longer than expected.
Anonymous
Mar 18, 2026
Rating: 5/5
Precise Dimensions
Measured with calipers upon arrival, spot on within tolerance.
Anonymous
Mar 18, 2026
Rating: 5/5
Professional Grade
Using these for client repairs successfully. No complaints so far.
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect Fit
Exactly what I needed for my CNC upgrade. The dimensions were spot on.
Q: Can I use this for 8mm shafts?
A: Yes, please select the 8mm ID option from the variant menu.
Q: What is the tolerance standard?
A: We follow ISO H7 and g6 tolerance standards for these sleeves.
Q: Do you offer bulk discounts?
A: Please contact our sales team directly for bulk order pricing.
Q: What is the hardness rating?
A: The surface hardness is between 58 and 62 HRC.
Q: Is this stainless steel?
A: No, this is hardened carbon steel designed for wear resistance.