Zhuzhou Mingri Cemented Carbide Co., Ltd.
|
Gold Index: 8266
Place of Origin: | Guangdong, China (Mainland) |
![]() |
|
Add to My Favorites | |
HiSupplier Escrow |
Φ8~22x10~30mm Tungsten Carbide Buttons for DTH button bits
Grade and Applications:
Grades | Density | T.R.S | Hardness | Performance &application recommended | Approx grades in China |
g/cm³ | Mp α | HRA | |||
MK4 | 15.1 | 1800 | 90 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. | YG4C |
MK6 | 14.9 | 2100 | 90 |
For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
YG6 |
MK8 | 14.7 | 2400 | 89.5 |
For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
YG8 |
MK10 | 14.7 | 2450 | 88.5 |
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. |
YG8C |
MK15 | 14.6 | 2450 | 87.8 |
Suitable for strips, conical buttons for rotary percussion drill bits, geological prospecting buttons, cut soft and medium hard formations. |
YK15 |
YG9C | |||||
MK20 | 14.4 | 2550 | 87 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. | YK20 |
YG10C | |||||
MK25 | 14.5 | 2600 | 87.5 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. | YK25 |
MK30 | 14.4 | 2600 | 87 |
Largely used for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard and very hard formations. |
YG11C |
MK40 | 14.2 | 2650 | 86.5 |
Mainly used for the buttons of tricone bits, and inserts of rotary percussion bits to cut hard and very hard formations. |
YK40 |
YG13C | |||||
MK50 | 14 | 2700 | 86.5 | For oil cone drill bits, for medium soft and medium-hard rocks. | YG15C |
MK60 | 14 | 2500 | 87.5 |
Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks. |
YG15 |
Size and drawing:
Dimension | ||||
D | H | SR | α. | β. |
6.25 | 9.9 | 3.4 | 20 | 26.5 |
8.25 | 12.2 | 4.4 | 20 | 26.5 |
9.25 | 13.9 | 5.0 | 20 | 26.5 |
10.25 | 18.9 | 5.5 | 20 | 27 |
11.30 | 19.0 | 6.0 | 20 | 27 |
12.35 | 20.9 | 6.6 | 20 | 28 |
12.35 | 20.0 | 6.3 | 25 | 24.75 |
13.35 | 19.9 |