
.ARCO coating provides a superior wear resistance. .Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. .High strength of taper neck, can cut deep grooves without breaking. .Suitable for cutting groves at hi speed. .The coating can change to SICO.
| Order No. | Radius (R) | Dia. (d) | θ˚ | CL (L1) | EFF-L (L2) | NL (d2) | OAL (L) | Shank (D) | Flutes (F) |
| EHBRT201023AA | 0.5R | 1 | 1.5° | 2 | 23 | 2.20 | 60 | 6 | 2 |
| EHBRT202023AA | 1.0R | 2 | 1.5° | 4 | 23 | 3.00 | 60 | 6 | 2 |
| EHBRT2020423A | 1.0R | 2 | 3.0° | 4 | 42 | 5.98 | 100 | 8 | 2 |
| EHBRT203052AA | 1.5R | 3 | 1.5° | 6 | 52 | 5.40 | 100 | 6 | 2 |
| EHBRT2030473A | 1.5R | 3 | 3.0° | 6 | 47 | 7.29 | 100 | 8 | 2 |
| EHBRT204046AA | 2.0R | 4 | 1.5° | 8 | 46 | 6.00 | 100 | 6 | 2 |
| EHBRT2040383A | 2.0R | 4 | 3.0° | 8 | 38 | 7.14 | 100 | 8 | 2 |
| EHBRT2050283A | 2.5R | 5 | 3.0° | 10 | 28 | 6.88 | 100 | 8 | 2 |
| EHBRT2060383A | 3.0R | 6 | 3.0° | 12 | 38 | 8.72 | 100 | 10 | 2 |
| EHBRT2080383A | 4.0R | 8 | 3.0° | 16 | 38 | 10.30 | 100 | 12 | 2 |
| EHBRT2100573A | 5.0R | 10 | 3.0° | 20 | 57 | 13.88 | 100 | 16 | 2 |
| EHBRT2120383A | 6.0R | 12 | 3.0° | 24 | 38 | 13.47 | 100 | 16 | 2 |
R
θ° d2 L
D (h6)
| R Tolerance | ✽ | is ARCO Coating | |
| R ≤ 3 | ±0.010 | is SICO Coating | |
| R > 3 | ±0.015 |