
.SICO Nano coating provides a superior wear and heat resistance. .Suitable for HRC 50 Hardened Steel, maximum up to HRC 65. .Non-Helix Design. .Cutting edges are very strong and wear resistant. .The coating can change to Naco Blue is optional.
| Order No. | Dia. (d) | Corner Radius (R) | CL (L1) | EFF-L (L2) | OAL (L) | Shank (D) | Flutes (F) |
| EHCUS441002S | 1 | 0.20R | 1 | 2.5 | 50 | 4 | 4 |
| EHCUS442002S | 2 | 0.25R | 2 | 6.5 | 50 | 4 | 4 |
| EHCUS403005S | 3 | 0.50R | 3 | 7.5 | 50 | 6 | 4 |
| EHCUS404005S | 4 | 0.50R | 4 | 10.0 | 50 | 6 | 4 |
| EHCUS404010S | 4 | 1.00R | 4 | 10.0 | 50 | 6 | 4 |
| EHCUS405010S | 5 | 1.00R | 5 | 12.5 | 50 | 6 | 4 |
| EHCUS406010S | 6 | 1.00R | 6 | 15.0 | 50 | 6 | 4 |
| EHCUS406015S | 6 | 1.50R | 6 | 15.0 | 50 | 6 | 4 |
| EHCUS408010S | 8 | 1.00R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUS408015S | 8 | 1.50R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUS408020S | 8 | 2.00R | 8 | 20.0 | 60 | 8 | 4 |
| EHCUS410010S | 10 | 1.00R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUS410020S | 10 | 2.00R | 10 | 25.0 | 75 | 10 | 4 |
| EHCUS412010S | 12 | 1.00R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUS412020S | 12 | 2.00R | 12 | 30.0 | 75 | 12 | 4 |
| EHCUS412030S | 12 | 3.00R | 12 | 30.0 | 75 | 12 | 4 |
d
L
D (h6)
| Cutting conditions`:`Table 005 | |||
| d To | lerance | ✽ is SICO Coating | |
| d ≤ 12 | 0 ~ -0.02 | is Naco Blue Coating | |
| d > 12 | 0 ~ -0.03 | ||
| R To | lerance | ||
| R < 2 | ±0.015 | ||
| R ≥ 2 | ±0.020 |