Yk25 Type Tungsten Carbide Bullet , Cemented Carbide Buttons For Mining
We have many types of the tungsten carbide buttons, such as the Conical double chamfers carbide buttons, Ball double chamfers buttons, Parabolic double charmfers buttons, Parabolic double charmfers buttons , Wedge buttons, flat buttons. And we can produce according to the drawings and samples.
The carbide bullet button is one type of our cemented carbide buttons.The Standard sizes, we have all the moulds. So the deivery time is fast and you don't need pay for the moulds.
If we don't have moulds, we also can offer the free mould depends on quantity.
Application of the cemented carbide button bits
The tungsten carbide buttons be used for drilling, mining and road sweeping machine,
snow removal and road maintenance tools.
It has been widely used in quarrying, mining, tunneling tools, as well as civil construction.
The tungsten carbide grade for referance
| Grade | Density | T.R.S | Hardness | Performance & application recommended | China Grade |
| g/cm3 | MPα | 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, usd 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, cone drill 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 mediumsized 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 to strips, conical buttons for rotary percussion-resistant, 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 very hard formations. | YK25 |
| MK30 | 14.4 | 2600 | 87 | Largely 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 | Predominatly for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and vey 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 |
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