• Endmills for pre-hardened and hardened steel (HRc52~68)
• Good wear resistance by high quality Si-based PVD coating.
• High precise edge tolerance.
• Very nice work surface finish.
• Outstanding performance at high speed machining by ultra fine
(0.2㎛) WC grade.
| D Size | D Tolerance |
| Ø0.1 | +0~ -0.005mm |
| Ø0.2 ~ 5 | +0~ -0.01mm |
| Ø6 ~ 12 | -0.005 ~ -0.015mm |
| Order Number | R×D | L1 | L2 | L | d |
| 2JJRB 001 003 S04 | 0.05R X 0.1 | 0.3 | – | 40 | 4 |
| 2JJRB 001 005 S04 | 0.05R X 0.1 | 0.5 | – | 40 | 4 |
| 2JJRB 002 005 S04 | 0.1R X 0.2 | 0.2 | 0.5 | 40 | 4 |
| 2JJRB 002 010 S04 | 0.1R X 0.2 | 0.2 | 1 | 40 | 4 |
| 22JJRB 002 015 S04 | 0.1R X 0.2 | 0.2 | 1.5 | 40 | 4 |
| 2JJRB 002 020 S04 | 0.1R X 0.2 | 0.2 | 2 | 40 | 4 |
| 2JJRB 002 025 S04 | 0.1R X 0.2 | 0.2 | 2.5 | 40 | 4 |
| 2JJRB 002 030 S04 | 0.1R X 0.2 | 0.2 | 3 | 40 | 4 |
| 2JJRB 003 010 S04 | 0.15R X 0.3 | 0.3 | 1 | 40 | 4 |
| 2JJRB 003 015 S04 | 0.15R X 0.3 | 0.3 | 1.5 | 40 | 4 |
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