Cemented Tungsten Carbide Drill Bits For Hardened Steel Metal 3D Coating
Brand Name:KTC
Certification:CCC
Model Number:DB-3D/5D
Minimum Order Quantity:10 pcs
Delivery Time:1-35days
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Cemented Tungsten Carbide Drill Bits For Hardened Steel Metal 3D Coating
tungsten carbide drill bits
Definition - What does Tungsten Carbide Bit mean?
Tungsten Carbide Bit, also known as a tungsten carbide bit is a
cutting tool that is primarily used in drilling applications to
crush or cut rocks. Tungsten carbide consists of equal amounts of
tungsten and carbon atoms which make it a very hard metal as
compared to other metals and is thus, considered as a suitable
material for manufacturing of drilling bits.
Due to equal amounts of tungsten and carbon atoms embedded in a
soft matrix of metallic cobalt, tungsten carbide is one of the
hardest metals and is thus used to manufacture drill bits. The
hardness value of tungsten carbide is 1600 HV, which is ten times
higher than steel.
There are two types of drill bits that are used in the oil and gas
industry, i.e., rolling cutter bits and fixed cutter bits. The
rolling cutter bits are further divided into two categories based
on the material used in these bits. They are-:
Milled tooth bits – these bits are made up of steel tooth cutters.
Tungsten carbide bits – In such type of bits, the tungsten carbide
teeth are pressed on to the teeth cones.
Specifications
| 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 |
Cemented Tungsten Carbide Drill Bits For Hardened Steel Metal 3D Coating
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