Litian Heavy Industry Machinery Co., Ltd.
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Top Hammer Coulpling Sleeves for Rock Drilling
Litian provides rock drilling top hammer threaded drill bits for every application, such as underground mining and tunneling, surface mining and quarries, road and construction.
Product Parameters
| R32 Series | Thread | Length | Diameter | Weight(kg) | Model No. | ||
| mm | inch | mm | inch | ||||
 | R32 | 160 | 6 5/16" | 45 | 1 3/4" | 1.1 | LR32-D45-160 |
| R38 | 190 | 7 1/2" | 56 | 2 13/64" | 2.0 | LR38-D56-190 | |
| T38-R32 | 190 | 7 1/2" | 56 | 2 13/64" | 2.2 | LT38/R32-D56-190 | |
| R38-R32 | 190 | 7 1/2" | 56 | 2 13/64" | 2.2 | LR38/R32-D56-190 | |
| T38 Series | Thread | Length | Diameter | Weight(kg) | Model No. | ||
| mm | feet/inch | mm | inch | ||||
| T38 | 190 | 7 1/2" | 56 | 2 13/64" | 1.9 | LT38-D56-190 |
| T38-R38 | 190 | 7 1/2" | 56 | 2 13/64" | 2.5 | LT38/R38-D56-190 | |
| T45 Series | Thread | Length | Diameter | Weight(kg) | Model No. | ||
| mm | feet/inch | mm | inch | ||||
| | T45 | 210 | 8 1/8" | 63 | 2 31/64" | 2.7 | LT45-D63-210 |
| T45-T51 | 225 | 8 7/8" | 71 | 2 51/64" | 4.5 | LT51/T45-D71-225 | |
| T51 Series | Thread | Length | Diameter | Weight(kg) | Model No. | ||
| mm | feet/inch | mm | inch | ||||
| | T51 | 235 | 9 1/4" | 71 | 2 51/64" | 4.1 | LT51-D71-235 |