HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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T38 89mm Thread Rock Drill Button Bits Drilling Bits for Rock Drilling and Mining
Material Description:
Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
Application:
Threaded Drill Bits cover regular, retrac and reaming types. With stronger button-fixing ability, longer service life, better wear-resistance and impact-resistance performance, they are widely used in tunneling, underground mining, open pit mining,anchoring and other large-scale construction projects.
Main button bits diameters:
R32-45mm, R32-51, R32-64, R32-76, T38-64mm, T38-76mm, T38-89, T38-102mm, T45-76mm, T45-89mm, T45-102mm, T51-89mm, T51-102mm, T51-127 etc.
| R32 | |||||
| Name | Diameter | Tip size(mm) | Flushing holes | ||
| mm | gauge | front | side | front | |
| R32 trhead button bits | 41 | 4*9 | 2*8 | 1 | 1 |
| 43 | 4*9 | 2*9 | 1 | 1 | |
| 45 | 4*10 | 2*9 | 1 | 1 | |
| R32 Retrac thread button bits | 60 | 6*9 | 4*8 | 0 | 3 |
| 64 | 6*9 | 4*9 | 0 | 3 | |
| 70 | 6*10 | 4*10 | 0 | 3 | |
| T38 | |||||
| Name | Diameter | Tip size(mm) | Flushing holes | ||
| mm | gauge | front | side | front | |
| T38 trhead button bits | 57 | 5*11 | 3*10 | 1 | 1 |
| 64 | 5*12 | 3*11 | 1 | 1 | |
| 76 | 5*14 | 3*12 | 1 | 2 | |
| T38 Retrac thread button bits | 60 | 8*9 | 3*9 | 2 | 2 |
| 64 | 8*9 | 4*9 | 2 | 2 | |
| 70 | 8*10 | 4*10 | 2 | 2 | |
| 76 | 8*11 | 4*10 | 2 | 2 | |
| 89 | 8*12 | 5*12 | 2 | 2 | |
| T45 | |||||
| Name | Diameter | Tip size(mm) | Flushing holes | ||
| mm | gauge | front | side | front | |
| T45 trhead button bits | 70 | 6*11 | 4*10 | 0 | 2 |
| 76 | 6*13 | 4*10 | 0 | 2 | |
| 89 | 8*12 | 5*12 | 2 | 2 | |
| 102 | 8*13 | 6*12 | 2 | 2 | |
| 115 | 8*14 | 6*13 | 2 | 2 | |
| T45 Retrac thread button bits | 70 | 8*11 | 4*10 | 2 | 2 |
| 76 | 8*11 | 4*10 | 2 | 2 | |
| 80 | 8*12 | 5*11 | 2 | 2 | |
| 89 | 8*12 | 6*11 | 2 | 2 | |
| 102 | 8*13 | 6*12 | 2 | 2 | |
| T51 | |||||
| Name | Diameter | Tip size(mm) | Flushing holes | ||
| mm | gauge | front | side | front | |
| T51 trhead button bits | 89 | 8*12 | 5*12 | 2 | 2 |
| 102 | 8*13 | 6*12 | 2 | 2 | |
| 115 | 8*14 | 6*13 | 2 | 2 | |
| 127 | 8*14 | 6*14 | 2 | 2 | |
| T51 Retrac thread button bits | 89 | 8*11 | 5*12 | 2 | 2 |
| 102 | 8*11 | 6*12 | 2 | 2 | |
| 115 | 8*12 | 6*13 | 2 | 2 | |
| 127 | 8*12 | 6*14 | 2 | 2 | |
