Product categories

JJ Series

• 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

Product Description

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