Product Details
Cemented Carbide Milling BlanksHRA92.5 cemented carbide milling blanks for reamer making end mills
ISO | Grain size | Cobalt | Density | Hardness | T.R.S | k1C |
Code | μm | % | g/cm3 | HRA | N/mm2 | Mpa.m1/2 |
K40-K50 | 0.4 | 12 | 14.12 | 92.5 | 4200 | 10.2 |
Application: Ultra-fine grain size, with good wear-resistant and
toughness, especially suitable for finishing and processing alloy
steel, aluminum alloy, titanium alloy etc. Suitable for making end
mills and reamer.
Regular size for small drills:
Diameter mm | Length mm | | Diameter mm | Length mm |
D | Tolerance | L | Tolerance | | D | Tolerance | L | Tolerance |
1.60 | +0/-0.006 | 20 | 0/+0.5 | | 10.00 | +0/-0.009 | 50 | 0/+0.5 |
2.35 | 30 | 0/+0.5 | | 10.00 | 70 | 0/+0.5 |
2.35 | 45 | 0/+0.5 | | 10.00 | 72 | 0/+0.5 |
3.00 | 60 | 0/+0.5 | | 10.00 | 75 | 0/+0.5 |
4.00 | +0/-0.008 | 40 | 0/+0.5 | | 10.00 | 80 | 0/+0.5 |
4.00 | 46 | 0/+0.5 | | 10.00 | 90 | 0/+0.5 |
4.00 | 50 | 0/+0.5 | | 10.00 | 100 | 0/+0.5 |
4.00 | 60 | 0/+0.5 | | 12.00 | +0/-0.011 | 70 | 0/+0.5 |
4.00 | 75 | 0/+0.5 | | 12.00 | 79 | 0/+0.5 |
4.00 | 100 | 0/+0.5 | | 12.00 | 83 | 0/+0.5 |
5.00 | 50 | 0/+0.5 | | 12.00 | 100 | 0/+0.5 |
5.00 | 60 | 0/+0.5 | | 12.00 | 120 | 0/+0.5 |
5.00 | 100 | 0/+0.5 | | 13.00 | 100 | 0/+0.5 |
6.00 | 40 | 0/+0.5 | | 14.00 | 75 | 0/+0.5 |
6.00 | 50 | 0/+0.5 | | 14.00 | 80 | 0/+0.5 |
6.00 | 58 | 0/+0.5 | | 14.00 | 83 | 0/+0.5 |
6.00 | 60 | 0/+0.5 | | 14.00 | 100 | 0/+0.5 |
6.00 | 67 | 0/+0.5 | | 16.00 | 80 | 0/+0.5 |
6.00 | 75 | 0/+0.5 | | 16.00 | 90 | 0/+0.5 |
6 | 100 | 0/+0.5 | | 20.00 | +0/-0.013 | 100 | 0/+0.5 |
8 | +0/-0.009 | 50 | 0/+0.5 | | | | | |
8 | 60 | 0/+0.5 | | | | | |
8 | 63 | 0/+0.5 | | | | | |
8 | 75 | 0/+0.5 | | | | | |
8 | 90 | 0/+0.5 | | | | | |
8 | 100 | 0/+0.5 | | | | | |
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 |
General tolerance for the h5 finished ground solid carbide rods |
Diameter | Tolerance μm | | Length | Tolerance | | Straightness | Tolerance | | Circularity | Tolerances |
<3.0 | -4/0 | <100.0 | +0.5/+1.0 | <4.0 | 0.07 | <3,0 | 2,0 micron |
3.0-6.0 | -5/0 | 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 | -6/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron |
10.0-18.0 | -8/0 | | >12.5 | 0.04 | 10,1-18,0 | 3,5 micron |
18.0-30.0 | -9/0 | | 18,1- 30,0 | 4,0 micron |
30.0-50.0 | -11/0 | 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
What we can provide
Company Profile


Zhuzhou TGC Cemented Carbide Co., Ltd. is a Sino-foreign joint
venture established in 2013 and located in GECKOR Xinma Industrial
Park in Tianyuan District, Zhuzhou, where there are well-developed
traffic and logistics and modern standard workshops.

The company is mainly engaged in the processing and production of
rods by employing Italian production lines and operations
management mode experienced key technical personnel and Italian
imported main processing equipment. We have passed the ISO9001
quality management system certification. Having at present monthly
productivity of approx and cooperation established with famous
Chinese cemented carbide manufacturers, we can offer rods, plates,
buttons, discs, rotary burrs, and other profiled and non-standard
cemented carbide products and blanks.

The company has since its establishment always stuck to
technological innovations and aftersales services first, united,
efficient and pragmatic management, the satisfaction of customer
needs as the core of our business activities, and “Quality is the
lifeline of a company &Service is the soul of our survival” as
our tenet.
