Litian Heavy Industry Machinery Co., Ltd.
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T51 Thread Top Hammer Rock Drilling Tools
The top hammer drilling tools includes four parts: drill bit, drill rod, Shank Adapter, and a Coupling Sleeve. The drill rig piston directly impacts the shank adapter, makes impact power transmit to drill rod, drill bit and the rocks by the form of stress wave, so as to achieve rock breaking.
| Drill Bit | Diameter | Buttons × button diameter(mm) | Flushing hole | Gauge buttons angel° | Button Shape | Weight (kg) |
Model No.
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| mm | inch | Front | Gauge | Front | Side | |||||
|
Button bit, Regular skirt | 89 | 3 1/2" | 6×12 | 8×12 | 2 | 2 | 35° | Spherical | 4.9 | LT89QY68-T51 |
| 89 | 3 1/2" | 6×12 | 8×12 | 2 | 2 | 35° | Ballistic | 4.9 | LT89QJ68-T51 | |
| 102 | 4" | 6×14 | 8×16 | 2 | – | 35° | Spherical | 6.0 | LT102QY68-T51 | |
| 102 | 4" | 6×14 | 8×16 | 2 | – | 35° | Ballistic | 6.0 | LT102QJ68-T51 | |
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Button bit, Retrac | 89 | 3 1/2" | 6×12 | 8×12 | 2 | – | 35° | Spherical | 5.1 | LT89YY68-T51 |
| 89 | 3 1/2" | 6×12 | 8×12 | 2 | – | 35° | Ballistic | 5.1 | LT89YJ68-T51 | |
| 102 | 4" | 6×14 | 8×16 | 3 | – | 35° | Spherical | 7.5 | LT102YY68-T51 | |
| 102 | 4" | 6×14 | 8×16 | 3 | – | 35° | Ballistic | 7.5 | LT102YJ68-T51 | |
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Guid Reaming Bit | 152 | 6" | 8×14 | 8×14 | 35° | Spherical | 9.3 | LT152KY88-T51 | ||
| Drill Rod | Length | Diameter | Weight(kg) | Model No. | ||
| mm | feet/inch | mm | inch | |||
|
Extension rod, Round 52, T51-T51 | 3660 | 12' | 52 | 2" | 50 | T51-D52-3660 |
| 4265 | 14' | 52 | 2" | 56 | T51-D52-4265 | |
| 6095 | 20' | 52 | 2" | 85 | T51-D52-6095 | |
|
MF rod, Round 52, T51-T51 | 1525 | 5' | 52 | 2" | 23 | MF-T51-D52-1525 |
| 1830 | 6' | 52 | 2" | 27 | MF-T51-D52-1830 | |
| 3660 | 12' | 52 | 2" | 50 | MF-T51-D52-3660 | |
| 4265 | 14' | 52 | 2" | 57 | MF-T51-D52-4265 | |
| 5485 | 17' 11" | 52 | 2" | 72 | MF-T51-D52-5485 | |
| 6095 | 20' | 52 | 2" | 87 | MF-T51-D52-6095 | |
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MF rod, Round 76, T51-T51 | 1830 | 6' | 76 | 3" | 40 | T51-D76-1830 |
| 3660 | 12' | 76 | 3" | 76 | T51-D76-3660 | |
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MF rod, Round 87, T51-T51 | 3660 | 12' | 87 | 3 1/2" | 89 | T51-D87-3660 |
| Coulpling Sleeve | Thread | Length | Diameter | Weight(kg) | Model No. | ||
| mm | feet/inch | mm | inch | ||||
 | T51 | 235 | 9 1/4" | 72 | 2 27/32" | 4.1 | LT51-D72-235 |
| Shank Adapter | ||||||||||
| ATLAS COPCO | Rock Drill | Thread | Length | Diameter | Weight | Flushing pipe (mm) | Spline QTY | Model No. | ||
| Structure Diagram | mm | inch | mm | inch | ||||||
| COP 1440 COP 1550 COP 1838 | T51 | 525 | 20.67 | 52 | 2 1/25" | 6.5 | _ | 8 | T51*8D52-525 |
| COP1838EX | T51 | 730 | 28.74 | 60 | 2 3/8" | 10.4 | _ | 8 | T51*8D60-730 |
| COP1840 | T51 | 565 | 22.24 | 52 | 2 1/25" | 7.2 | _ | 8 | T51*8D52-565 |
| COP1840EX | T51 | 770 | 30.31 | 60 | 2 3/8" | 10.9 | _ | 8 | T51*8D60-770 |
| COP1850 | T51 | 565 | 22.24 | 52 | 2 1/25" | 7.2 | _ | 8 | T51*8D52-565 |
| COP1850EX | T51 | 770 | 30.31 | 60 | 2 3/8" | 10.9 | _ | 8 | T51*8D60-770 |
| COP2150 | T51 | 770 | 30.31 | 52 | 2 1/25" | 9.2 | _ | 8 | T51*8D52-770 |
| COP2150EX | T51 | 770 | 30.31 | 60 | 2 3/8" | 10.9 | _ | 8 | T51*8D60-770 |
| COP2150 COP2550 | T51 | 770 | 30.31 | 52 | 2 1/25" | 9.9 | _ | 8 | T51*8D52-770 |
| COP 2150EX COP 2550EX | T51 | 770 | 30.31 | 60 | 2 3/8" | 11.0 | _ | 8 | T51*8D60-770 |
| COP 2550 | T51 | 770 | 31.31 | 52 | 2 1/25" | 9.2 | _ | 8 | T51*8D52-770 |
| COP2160 | T51 | 770 | 30.31 | 60 | 2 3/8" | 11.0 | _ | 12 | T51*12D60-770 |
| COP2160EX | T51 | 770 | 30.31 | 63 | 2 31/64" | 13.3 | _ | 12 | T51*12D63-770 |
| COP2550UX | T51 | 770 | 30.31 | 60 | 2 31/64" | 13.1 | _ | 8 | T51*8D60-770 |
| COP2560 | T51 | 770 | 30.31 | 60 | 2 31/64" | 11 | _ | 12 | T51*12D60-770 |
| COP2560EX | T51 | 770 | 30.31 | 63 | 2 1/2" | 13.3 | _ | 12 | T51*12D63-770 |
| COP4050 | T51 | 605 | 23.82 | 52 | 2 1/25" | 8.9 | _ | 8 | T51*8D52-605 |
| SAND VIK | Rock Drill | Thread | Length | Diameter | Weight | Flushing pipe (mm) | Spline QTY | Model No. | ||
| Structure Diagram | mm | inch | mm | inch | ||||||
| HL700 HL800 | T51 | 600 | 23.62 | 52 | 2 1/25" | 8.5 | _ | 8 | T51*8D52-600 |
| HL1000-52 HL1000S HL1010 HL1010S | T51 | 670 | 26.38 | 52 | 2 1/25" | 10 | _ | 8 | T51*8D52-670 |
| HL1000PE-65 HL1500 HL1500PE-65 HL1560T-65 | T51 | 760 | 29.92 | 65 | 2 2/3" | 16.3 | _ | 8 | T51*8D65-760 |
| MONTABERT | Rock Drill | Thread | Length | Diameter | Weight | Flushing pipe (mm) | Spline QTY | Model No. | ||
| Structure Diagram | mm | inch | mm | inch | ||||||
| HC120RP HC150RP HC155RP HC158RP | T51 | 670 | 26.38 | 51 | 2" | 8.9 | _ | 8 | T51*8D51-670 |
| HC120RP HC150RP | T51 | 770 | 30.31 | 51 | 2" | 10.3 | _ | 8 | T51*8D51-770 |
| INGERSOLL-RAND | Rock Drill | Thread | Length | Diameter | Weight | Flushing pipe (mm) | Spline QTY | Model No. | ||
| Structure Diagram | mm | inch | mm | inch | ||||||
| YH80A | T51 | 500 | 19.69 | 51 | 2" | 6.4 | 19.0 | 6 | T51*6D51-500 |