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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Double Conical Tungsten Carbide Button bits OD8.99 with TRS 2700 for rock drilling bits
Conical button bits:
Diameter: 8.99mm
Height: 16.80mm
h: 10.8
SR1: 1.9
SR2: 1.6
α: 77
β: 140
Carbide Grade: TGC8
Density:14.44 g/cm3
T.R.S : 2700 N/mm2
Hardness: 86.5 HRA
Double Conical Button Bits
| TYPE | Dimension (mm) | ||||||
| D | H | h | SR1 | SR2 | a. | B° | |
| JCA0917 | 8.99 | 16 .80 | 10 .80 | 1.9 | 1.6 | 77 | 140 |
| JCA1625 | 15.68 | 25.2 | 14.1 | 1.6 | 1 | 80 | 140 |
| JCA0917-2 | 8.93 | 16 .80 | 10 .80 | 1.2 | 1 | 79 | 140 |
| JCA1221 | 12.4 | 21.1 | 12.7 | 1.5 | 1 | 80 | 140 |
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: