| Customization: | Available |
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| Warranty: | 5months |
| Logo Printing: | Without Logo Printing |
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1. Material: high quality elastic steel 65Mn
2. Hardness: HRC:50-55°
3.Runout: 0.005mm,0.008mm,0.013mm
4.Surface: Precision grinding , Mirror effect
| Order No. | D | L | d |
| ER11C-d | 11.5 | 18 | 2~7 |
| ER16C-d | 16.74 | 27.5 | 2~10 |
| ER20C-d | 20.74 | 31.5 | 2~13 |
| ER25C-d | 25.74 | 34 | 2~16 |
| ER32C-d | 32.74 | 40 | 2~20 |
| ER40C-d | 40.74 | 46 | 3~26 |
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