
.SICO Nano coating provides a superior wear and heat resistance. .Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. .Short cutting length with high rigidity is suitable for high speed cutting. .The coating can change to TOP ARCO.
| Order No. | Dia. (d) | Corner Radius (R) | CL (L1) | EFF-L (L2) | OAL (L) | Shank (D) | Flutes (F) |
| EHCUH403001S | 3 | 0.1R | 3 | 7.5 | 50 | 6 | 4 |
| EHCUH403005S | 3 | 0.5R | 3 | 7.5 | 50 | 6 | 4 |
| EHCUH404002S | 4 | 0.2R | 4 | 10.0 | 50 | 6 | 4 |
| EHCUH404005S | 4 | 0.5R | 4 | 10.0 | 50 | 6 | 4 |
| EHCUH405002S | 5 | 0.2R | 5 | 12.5 | 50 | 6 | 4 |
| EHCUH405005S | 5 | 0.5R | 5 | 12.5 | 50 | 6 | 4 |
| EHCUH406002S | 6 | 0.2R | 6 | 15.0 | 50 | 6 | 4 |
| EHCUH406005S | 6 | 0.5R | 6 | 15.0 | 50 | 6 | 4 |
| EHCUH406010S | 6 | 1.0R | 6 | 15.0 | 50 | 6 | 4 |
| EHCUH408003S | 8 | 0.3R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUH408005S | 8 | 0.5R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUH408010S | 8 | 1.0R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUH408015S | 8 | 1.5R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUH410003S | 10 | 0.3R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUH410005S | 10 | 0.5R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUH410010S | 10 | 1.0R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUH410015S | 10 | 1.5R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUH410020S | 10 | 2.0R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUH412003S | 12 | 0.3R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUH412005S | 12 | 0.5R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUH412010S | 12 | 1.0R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUH412015S | 12 | 1.5R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUH412020S | 12 | 2.0R | 12 | 30.0 | 75 | 12 | 4 |
d
L
D
| d Tolerance | ✽ | is ARCO Coating | |
| d ≤ 12 | 0 ~ -0.02 | is SICO Coating | |
| d > 12 | 0 ~ -0.03 | ||
| R Tolerance | |||
| R < 2 | ±0.015 | ||
| R ≥ 2 | ±0.020 |