
.SICO Nano coating provides a superior wear and heat resistance. .Suitable for HRC 50 Hardened Steel, maximum up to HRC 65. .Due to short cutting length it provides an excellent surface roughness of the work pieces. .Low helix design is suitable for hardened steel cutting. .The coating can change to Naco Blue is optional.
| Order No. | Radius (R) | Dia. (d) | CL (L1) | EFF-L (L2) | OAL (L) | Shank (D) | Flutes (F) |
| EHBUS241000S | 0.50R | 1.0 | 1.0 | 2 | 50 | 4 | 2 |
| EHBUS241500S | 0.75R | 1.5 | 1.5 | 3 | 50 | 4 | 2 |
| EHBUS202000S | 1.00R | 2.0 | 2.0 | 4 | 50 | 6 | 2 |
| EHBUS203000S | 1.50R | 3.0 | 3.0 | 6 | 50 | 6 | 2 |
| EHBUS204000S | 2.00R | 4.0 | 4.0 | 8 | 50 | 6 | 2 |
| EHBUS205000S | 2.50R | 5.0 | 5.0 | 10 | 50 | 6 | 2 |
| EHBUS206000S | 3.00R | 6.0 | 6.0 | 12 | 50 | 6 | 2 |
| EHBUS208000S | 4.00R | 8.0 | 8.0 | 16 | 60 | 8 | 2 |
| EHBUS210000S | 5.00R | 10.0 | 10.0 | 20 | 75 | 10 | 2 |
| EHBUS212000S | 6.00R | 12.0 | 12.0 | 24 | 75 | 12 | 2 |
| EHBUS216000S | 8.00R | 16.0 | 16.0 | 32 | 100 | 16 | 2 |
R
L
D (h6)
| Cutting conditions`:`Table 003 | ||
| R Tolerance | ✽ is SICO Coating | |
| R ≤ 3 ±0.010 | is Naco Blue Coating | |
| R > 3 ±0.015 |