HRC60 endmills blank tungsten carbide helical coolant rods for fiber graphite machining
Raw sintered two helical coolant holes carbide rods, good for making high-quality endmills, drills, and other cutting tools.
Specifications:
Outer diameter: 8.30mm
Inner diameter: 0.65 +/-0.15
TK: 2.70mm
Pitch: 29.95mm
Datasheets and applications:
| Binder | Hardness | T.R.S | Density | Grain size | ISO | | HRA | HV10 | | 9% | 94 | 2040 | 4000 | 14.45 | Ultra fine | K30 | |
Application: Select 0.4-0.4μm fine raw materials, strengthen wear resistance and impact toughness, to meet the cutting requirements of carbon fiber, graphite, and other composite materials and hardness > HRC60 superhard steel.
For more grades details, please kindly check the general datasheet in the following details:
Regular size for two helical coolant rods 40°:
| Outer Diameter mm | TK mm | Inner Diameter mm | Deviation of holes
position≤(mm) a | Pitch mm |
| OD | Tol. | TK | Tol. | ID | Tol. | P | Tol. |
| 6.30 | 0/+0.3 | 1.9 | -0.4/0 | 0.600 | ±0.15 | 0.15 | 18.85 | ±0.34 |
| 6.30 | 2.2 | -0.4/0 | 0.500 | ±0.15 | 0.15 | 22.45 | ±0.42 |
| 8.30 | 2.7 | -0.6/0 | 0.650 | ±0.15 | 0.15 | 29.95 | ±0.56 |
| 10.30 | 0/+0.3 | 3.5 | -0.8/0 | 0.800 | ±0.15 | 0.20 | 37.44 | ±0.70 |
| 12.30 | 4.2 | -0.8/0 | 0.900 | ±0.15 | 0.30 | 44.93 | ±0.84 |
| 14.30 | 4.7 | -0.8/0 | 1.000 | ±0.20 | 0.37 | 52.42 | ±0.98 |
| 16.30 | 5.5 | -0.8/0 | 1.200 | ±0.20 | 0.40 | 59.9 | ±1.12 |
| 18.30 | 0/+0.5 | 6.3 | -0.8/0 | 1.400 | ±0.20 | 0.50 | 67.39 | ±1.26 |
| 20.30 | 7.1 | -1.0/0 | 1.500 | ±0.20 | 0.50 | 74.88 | ±1.40 |
Regular size for three helical coolant rods 30°:
| Outer Diameter mm | TK mm | Inner Diameter mm | Deviation of holes
position≤(mm) a | Pitch mm |
| OD | Tol. | TK | Tol. | ID | Tol. | P | Tol. |
| 6.30 | +0/+2.5 | 2.9 | -0.4/0 | 0.500 | ±0.15 | 0.15 | 32.65 | ±0.46 |
| 8.30 | 4.0 | -0.4/0 | 0.700 | ±0.15 | 0.15 | 45.53 | ±0.62 |
| 9.30 | 5.1 | -0.6/0 | 0.850 | ±0.15 | 0.20 | 48.97 | ±0.69 |
| 10.30 | +0/+2.75 | 5.1 | -0.6/0 | 0.850 | ±0.15 | 0.20 | 54.41 | ±0.77 |
| 12.30 | 6.3 | -0.6/0 | 1.100 | ±0.15 | 0.30 | 65.3 | ±0.92 |
| 14.30 | +0/+3.5 | 7.3 | -0.8/0 | 1.400 | ±0.20 | 0.40 | 76.18 | ±1.08 |
| 15.30 | 7.8 | -0.8/0 | 1.400 | ±0.20 | 0.40 | 81.62 | ±1.15 |
| 16.30 | 8.3 | -0.8/0 | 1.600 | ±0.20 | 0.40 | 87.06 | ±1.23 |
| 18.30 | 9.5 | -0.8/0 | 1.700 | ±0.20 | 0.50 | 97.95 | ±1.38 |
| 20.30 | 10.2 | -0.8/0 | 1.900 | ±0.25 | 0.50 | 108.83 | ±1.54 |
General Tolerance for ground carbide rods
| General tolerance for the h6 finished ground solid carbide rods |
| Diameter | Tolerance μm | | Length | Tolerance | | Straightness | Tolerance | | Circularity | Tolerances |
| ＜3.0 | -6/0 | ＜100.0 | +0.5/+1.0 | ＜4.0 | 0.07 | <3,0 | 2,0 micron |
| 3.0-6.0 | -8/0 | 100.0-165.0 | +1.0/+2.5 | 4.5-5.0 | 0.06 | 3,0- 6,0 | 2,5 micron |
| 6.0-1.0 | -9/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron |
| 10.0-18.0 | -11/0 | | ＞12.5 | 0.04 | 10,1-18,0 | 3,5 micron |
| 18.0-30.0 | -13/0 | | 18,1- 30,0 | 4,0 micron |
| 30.0-50.0 | -16/0 | 30,1- 50,0 | 5,0 micron |
Our tungsten carbide rods:
- 100% virgin material, no recycled material
- Spray drying tower and HIP sintering furnace
- Constant excellent quality
- Large stock for all sizes, the regular products can be shipped in 3 days, and the special rods can be ground in one week.
- 100% inspected before delivery. The inspection including raw material and dimension report will be sent you before delivery
- Excellent grinding quality, Straightless and circularity could be 0.05 or 0.02.
Carbide grades
| ISO-Range | Co (%) | WC incl.
Doping (%) | Density
(g/cm3) | HV 30
(N/mm2) | HRA | T.R.S | KIc* (Shetty)
(MNm-3/2) | Application |
| K10 | 6 | 94 | 14.8 | 1900 | 93.8 | > 3900 | 9 | Unalloyed and hardened steels
Non-ferrous metals
Aluminium alloys
Cast iron
Composites (CFRP and GFRP) |
| K10 - K20 | 8 | 92 | 14.6 | 1710 | 92.5 | > 4000 | 9.5 | Unalloyed and hardened steels
Non-ferrous metals
Non-ferrous metals
Plastics |
| K20 - K30 | 9 | 91 | 14.3 | 1680 | 92.2 | > 3900 | 9 | High hardness materials
Aluminium alloys
Cast iron
Graphite |
| K30 - K40 | 10 | 90 | 14.5 | 1610 | 91.9 | > 4200 | 10.5 | Steels
Corrosion and heat resistant steels
Stainless steels
Non ferrous metals
Nickel based alloys
Aluminium alloys |
| K40 - K50 | 12 | 88 | 14.1 | 1680 | 92.3 | > 4400 | 10 | Steels
Corrosion and heat resistant steels
Stainless steels
Non ferrous metals
Titanium alloys |
| K40 - K50 | 13 | 87 | 13.9 | 1700 | 92.4 | > 4000 | 9.5 | Corrosion and heat resistant steels
Non ferrous metals
Nickel based alloys
Titanium alloys |
What we can provide
