| HU6C |
< 1.0 |
C2 K05 – K20 M10 – M20 |
6.0 Co |
92.7 |
14.90 |
500 |
Turning of high strength aerospace alloys (nickel-, iron-, and cobalt-based high temperature alloys, titanium alloys), turning of refractory metals (tungsten, molybdenum, zirconium), turning of gray cast iron, turning and milling aluminum alloys. PWA approved. |
| HTA |
1 - 2 |
C2 K10 – K30 |
5.5 Co 4.0 (Ta,Nb)C |
92.3 |
14.90 |
300 |
Turning, facing, boring, and milling of high temperature alloys |
| HA |
1 - 2 |
C2 K10 – K30 |
5.5 Co 1.0 (Ta,Nb)C |
92.4 |
14.90 |
275 |
General purpose C2 grade for machining cast iron, non-ferrous alloys, wear applications. |
| H21 (FK20M) |
1 - 2 |
C2 K10 – K35 |
6.0 Co |
92.0 |
14.90 |
325 |
General purpose C2 grade. Recommended for brazed tool applications in non-ferrous machining and woodworking. C2 milling substrate. |
| HU8 (FK20F) |
< 1.0 |
C2 K05 – K30 |
8.0 Co |
92.9 |
14.70 |
510 |
Turning and milling of gray cast iron, aluminum- and titanium-based alloys |
| FR10 |
<1.0 |
C2 K20 – K30 M25 – M40 |
10.0 Co |
91.9 |
14.45 |
540 |
Premium round tool grade for machining high strength aerospace alloys. Meets GEAE Spec. # 4013366-188. |
| H17 |
<1.0 |
C2 K20 – K35 M25 – M40 |
10.0 Co |
91.7 |
14.45 |
550 |
Premium general purpose grade for round tools (drills, endmills, etc.). PWA approved. |
| H91 (FK40B) |
1 - 3 |
C1 / C11 K35 – K50 |
11.0 Co |
89.7 |
14.30 |
380 |
Heavy duty milling grade for machining at low speeds and interrupted cuts. |
| FR12 |
0.5 |
C3 K15 – K25 M10 – M25 |
12.0 Co |
92.7 |
14.25 |
575 |
Ultrafine submicron grade for machining high strength materials. Tougher version of FR8. |
| FR15 |
<1.0 |
C2 K40 – K50 |
15.0 Co |
90.8 |
14.00 |
560 |
High strength, high toughness grade for round tools (substitute for high speed steel) |