☆Products Description
Solid carbide A type center drill 60deg 90deg
1.Dimension : 0.5x40, 2.5x45, 4.0x55, 6.3x80 and customized sizes
2.Measurements manufactured according to standard DIN6537
Chisel edge grinding IRK standard
Primary edge point angle 140°
Shank according to DIN6535HA h6
3.Coating : Optinal
4. Tolerance of cutting edge diameter m7
5.Chip Evacuation Groove special designed, easy evacuation
6.Use for the process of structual steel, Alloy steel, Staineless steel and other common materials; Precise centering ability which enable to gain stable dimensional accurancy and fine surface quality; suitable for process system with excellent rigidity.
| dia (mm) |
Flute dia (mm) |
Flute Length (mm) |
O.A.L(mm) |
| 0.5 |
3.2 |
0.8 |
40 |
| 1.0 |
3.2 |
1.3 |
40 |
| 2.0 |
5.0 |
2.5 |
40 |
| 2.5 |
6.0 |
3.1 |
45 |
| 4.0 |
10.0 |
5.0 |
55 |
| 5.0 |
12.5 |
6.3 |
60 |
| 0.5 |
3.0 |
0.8 |
45 |
| 1.0 |
3.0 |
1.3 |
45 |
| 2.0 |
5.0 |
2.5 |
50 |
| 2.5 |
6.3 |
3.1 |
55 |
| 4.0 |
10.0 |
5.0 |
65 |
| 5.0 |
12.5 |
6.3 |
72 |
| 6.3 |
16.0 |
8.0 |
80 |
|
Micro grain raw material
Grain size: 0.4-0.6μm
Co 10%, 12%
TRS >3600 N/mm2
Hardness HRA 91.8-92.5
Work piece HRC45-50 HRC55-60 HRC65 HRC68
Helix angle 30°-45 °
Diameter of cutting edge 0.2-0.9 mm; 1-20 mm
Diameter of rods 4-20 mm
Length 50-100 mm
Cutting Form Flat, Square, Ball nose, Corner Radius, Taper Flute, etc
Flutes No. 1-7
| HRC45 |
HRC55 |
HRC60 |
HRC65 |
Grain Size: 0.6um
Co: 10 %
Flexural strength: 3350N/mm2 |
Grain Size: 0.6um
Co: 10 %
Flexural strength: 4000N/mm2 |
Grain Size: 0.5um
Co: 12 %
Flexural strength: 4300N/mm2 |
Grain Size: 0.4um
Co: 12.5 %
Flexural strength: 4300N/mm2 |
Introduction of the carbide materials of the End mill
| Carbide Grade |
Technical Details of tungsten carbide rod |
| 10U |
Co:10% WC 89% rare element: 1% HRA: 90.5°Grain Size: 0.75um |
| 12U |
Co:12% WC 85% rare element: 3% HRA: 92.5°Grain Size: 0.4um |
| K40 |
Co:12% WC 84% rare element: 4% HRA: 93°Grain Size: 0.4um |
| K44 |
Co:12% WC 84% rare element: 4% HRA: 93.5°Grain Size: 0.4um |
The materials to be cut
| Carbide Grade |
HRC of End mill |
Materials to be cut |
| 10U |
HRC45-50 |
For cutting the materials under HRC35 |
| 12U |
HRC55-58 |
For cutting the materials under HRC50 |
| K40 |
HRC60-62 |
For cutting the materials under HRC55 |
| K44 |
HRC65-70 |
For cutting the materials under HRC63 |
Corresponding Coating
| Carbide Grade |
HRC of End mill |
Corresponding Coating |
| 10U |
HRC45-50 |
AlTiN |
| 12U |
HRC55-58 |
TiAlN |
| K40 |
HRC60-62 |
TiSlN |
| K44 |
HRC65-70 |
Nano |
Introduction of carbide materials of the End mill
| |
AlTiN |
TiAlN |
TiSlN |
Nano |
| Hardness(HV) |
3200 |
2800 |
3600 |
42(GPA) |
| Thickness(UM) |
2.5-3 |
2.5-3 |
3 |
3 |
| Oxidation Temp(°) |
900 |
800 |
1000 |
1200 |
| Friction Coefficient |
0.3 |
0.3 |
0.45 |
0.4 |
| Color |
Black |
Violet |
Copper |
Blue |
☆Application
Used for cutting Carbon steel, Tool steel, Mould steel, Stainless steel, Titanium alloy, Copper, Cast Iron and Aluminium, etc.
Grinding equipment: WALTER, ANCA, ROLLOMATIC
Testing equipment: ZOLLER
☆Coating
| Coating |
Color |
Coating Temperature |
Thickness (um) |
HV |
Application Temperature |
Friction coefficient |
| TiAlN |
Purple-Gray |
<600°C |
3-5 |
3300 |
800 °C |
0.3 |
| AiTiN |
Black |
<600°C |
3-5 |
3500 |
900 °C |
0.3 |
| TiXco |
Copper |
<600°C |
3-5 |
3500 |
1500 °C |
0.4 |
| NaNo |
Blue |
<600°C |
3-5 |
3800 |
1200 °C |
0.4 |
| AiCrN |
Silver Gray |
<480 °C |
2-2.5 |
2500 |
700 °C |
0.3 |
☆Payment
T/T, Western Union, Paypal (
Choose your convenient way)
Standard Sizes:
| Order No. |
Flute dia (d) |
Cutting length ( l ) |
Shank dia (D) |
Overall length(L) |
| 1.0×2.5×4D×50L |
1.0 |
2.5 |
4 |
50 |
| 1.5×4×4D×50L |
1.5 |
4 |
4 |
50 |
| 2.0×5×4D×50L |
2.0 |
5 |
4 |
50 |
| 2.5×7×4D×50L |
2.5 |
7 |
4 |
50 |
| 3.0×8×4D×50L |
3.0 |
8 |
4 |
50 |
| 3.5×10×4D×50L |
3.5 |
10 |
4 |
50 |
| 4.0×10×4D×50L |
4 |
10 |
4 |
50 |
| 4.5×11×6D×50L |
4.5 |
11 |
6 |
50 |
| 5.0×13×6D×50L |
5.0 |
13 |
6 |
50 |
| 5.5×13×6D×50L |
5.5 |
13 |
6 |
50 |
| 6.0×15×6D×50L |
6.0 |
15 |
6 |
50 |
| 6.5×15×8D×60L |
6.5 |
15 |
8 |
60 |
| 7.0×17×8D×60L |
7.0 |
17 |
8 |
60 |
| 7.5×17×8D×60L |
7.5 |
17 |
8 |
60 |
| 8.0×20×8D×60L |
8.0 |
20 |
8 |
60 |
| 8.5×25×10D×75L |
8.5 |
25 |
10 |
75 |
| 9.0×25×10D×75L |
9.0 |
25 |
10 |
75 |
| 9.5×25×10D×75L |
9.5 |
25 |
10 |
75 |
| 10.0×25×12D×75L |
10.0 |
25 |
12 |
75 |
| 10.5×25×12D×75L |
10.5 |
25 |
12 |
75 |
| 11.0×28×12D×75L |
11.0 |
28 |
12 |
75 |
| 11.5×28×12D×75L |
11.5 |
28 |
12 |
75 |
| 12.0×30×12D×75L |
12.0 |
30 |
12 |
75 |
| 13.0×33×16D×100L |
13.0 |
33 |
16 |
100 |
| 14.0×40×16D×100L |
14.0 |
40 |
16 |
100 |
| 15.0×40×16D×100L |
15.0 |
40 |
16 |
100 |
| 16.0×40×16D×100L |
16.0 |
40 |
16 |
100 |
| 17.0×40×20D×100L |
17.0 |
40 |
20 |
100 |
| 18.0×40×20D×100L |
18.0 |
40 |
20 |
100 |
| 19.0×40×20D×100L |
19.0 |
40 |
20 |
100 |
| 20.0×40×20D×100L |
20.0 |
40 |
20 |
100 |
| 25.0×40×25D×100L |
25.0 |
40 |
25 |
100 |
☆Shipment
FedEx, TNT, DHL, UPS, EMS, etc.
The port is Beijing, Shanghai, Guangzhou, Shenzhen, any port in China.
(choose your convenient way)
☆Packing
Laser print brand name on cutter shank, 1 PCS in a plastic tube, 10 PCS per group
☆Delivery time
Keep stock for regular types
Samples: 3 - 5 days
Regular orders: 7 - 10 days
☆Our Services
More than 2000 products are available. Assembly line production, high standard and strict requirements.
OEM Services Offered
Customized Tools Offered
Free laser marking on tools and boxes Offered
Fast delivery time and Convenient Transportations. We have discount on shipping cost from our courier companies, such as FedEx, DHL, TNT, UPS etc.
Audited Supplier 
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