Zhuzhou TGC Cemented Carbide Co.,Ltd.
Zhuzhou TGC Cemented Carbide Co.,Ltd. Specialized in production of all kinds of tungsten carbide rods
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HRA 86.0 Mushroom sharp button bit for cutting hard and very hard formations
Conical button bits:
Diameter: 12mm
Height: 22mm
h: 8
R: 30
r: 1.5
α: -
β: -
Carbide Grade: TGC9
Density:14.20 g/cm3
T.R.S : 2850 N/mm2
Hardness: 86.0 HRA
Mushroom Sharp Button Bits
| TYPE | 尺 寸 Dimension (mm) | |||||||
| D | d | H | h | R | r | |||
| JCB1822 | 12 | -0 1 -0.4 | 10 | -0 1 -0.4 | 22 | 8 | 30 | 1 . 5 |
| JCB2025 | 20 | -0 1 -0.4 | 12 | -0 1 -0.4 | 25 | 10 .0 | 35 | 1 . 5 |
| JCB2027 | 20 | -0 1 -0.4 | 12 | -0 1 -0.4 | 27 | 10.5 | 35 | 4 |
| JCB2228 | 22 | -0 1 -0.4 | 14 | -0 1 -0.4 | 28 | 12 .0 | 40 | 1 . 5 |
| JCB2534 | 24 92 | -0 1 -0.4 | 17.25 | -0 1 -0.4 | 34.2 | 11.8 | 40 | 1.98 |
General Tungsten Carbide Button Bits:
| Carbide Grade | Density g/cm3 | T.R.S MPa | Hardness HRA | Recommended Performance & application |
| TGC1 | 15.1 | 1800 | 90 | Mainly used as small buttons for percussion bits to cut soft and medium-hard formations. |
| TGC2 | 14.95 | 1900 | 90.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits, and scraping knife bits, are used in geological prospecting, coal mining, and oil well boring. |
| TGC3 | 14.8 | 2200 | 89.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits, and scraping knife bits, are used in geological prospecting, coal mining, and oil well boring. |
| TGC4 | 14.95 | 2500 | 90.5 | Mostly used as the buttons of small and medium-sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium-hard formations. |
| TGC5 | 14.6 | 2450 | 87.6 | Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium-hard formations. |
| TGC6 | 14.4 | 2500 | 86.8 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. |
| TGC7 | 14.4 | 2550 | 87.2 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations. |
| TGC8 | 14.4 | 2700 | 86.5 | Largely for the inserts and buttons of percussion bits and tri-cone bits to cut medium-hard, hard, and very hard formations. |
| TGC9 | 14.2 | 2850 | 86 | Primarily for the buttons of tritone bits and inserts of rotary percussion bits to cut hard and very hard formations. |
| TGC10 | 14 | 3000 | 85.5 | For oil cone drill bits, for medium-soft and medium-hard rocks. |
Advantages:
Our carbide button bits range: