1" Tungsten Carbide Drill Bits For Concrete Coated GU20UF TF200 Raw
Material
tungsten carbide drill bits
Specifications
DB-3D/5D Tungsten steel drill bit is made of imported fine particle
tungsten steel material with bending strength of 4300mpa, grain
size of 0.6 μm, and high-performance composite coating imported
from Switzerland. The cutter adopts special angle design, strict
quality control, self inspection rate of 100%, qualification rate
of more than 98%, suitable for hole processing of various grades of
steel, non-ferrous metals and other materials.
| Raw Material | GU20UF/TF200 |
| WC | 89% |
| Co | 11% |
| TRS | >4300N/mm2 |
| Hardness | >91.5HRA |
| A.O.L | 66mm-153mm |
| Grain size | 0.6 μm |
| Upto | HRC55-60 |
| Coating | Balzers/TiSiN |
| Suitable for | various grades of steel, non-ferrous metals and other materials |
Coating
| Item | TiSiN |
| Hardness(HV) | 3600 |
| Thickness(UM) | 3 |
| Oxidation temp(°) | 1000 |
| Friction coeffient | 0.45 |
| Color | Copper |
Standard Sizes
| Flute Length=3*D |
| Cutting Diameter | Shank Diameter* Overall Length |
| D3-D6 | D6*66L |
| D6.1-D8 | D8*79L |
| D8.1-D10 | D10*89L |
| D10.1-D12 | D12*102L |
| D12.1-D14 | D14*107L |
| D14.1-D16 | D16*115L |
| D16.5-D18 | D18*123L |
| D18.5-D20 | D20*131L |
| Flute Length=5*D |
| Cutting Diameter | Shank Diameter* Overall Length |
| D3-D3.7 | D6*66L |
| D4-D4.65 | D6*74L |
| D4.8-D6 | D6*82L |
| D6.1-D8 | D8*91L |
| D8.1-D10 | D10*103L |
| D10.1-D12 | D12*118L |
| D12.1-D14 | D14*124L |
| D14.1-D16 | D16*133L |
| D16.5-D18 | D18*143L |
| D18.5-D20 | D20*153L |
FAQ
1. Where are your factory located? If I visit your factory, how can
I go there?
Our factory located in Changzhou city, Jiangsu province.
2. What are your main products?
Our main products are carbide cutting tools, including end mill,
face mill, drill bits etc.
3. What raw material you use?
We have rods with 3-4 types hardness, hrc45, hrc55, hrc60,hrc65..
Your work piece hardness decides what rods are suitable for.
5. How to ensure the quality?
We have precision detection machine, quality inspectors check
cutters one by one.
6. How to deal with the cutters under verified?
These under verified cutters are all scraped.
7. I only have the drawings of work pieces? can you design cutters
for me?
Yes, of course, show me work piece drawing, I will show you
cutters’ drawing.
9. How long can you deliver goods?
If we have stock, goods will be shipped by next day, if not in
stock, 7-35 days.
10. Can I choose the color of plastic pipe?
Yes, we have such as black, blue, red, yellow etc. color.
11. Can you make stickers with our logo and laser on cutters’
shanks?
Yes. We can print stickers with your logo and laser on shanks.
