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Couplings and bit adaptors
Couplings and bit adaptors
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known as coupling sleeves, used for connecting drill rods and shank adaptors, couplings, with the common threads of R38, T38, T45 and T51, include normal couplings and crossover couplings with full bridge or half bridge, and are widely used in open-pit mining, underground mining, tunneling, anchoring, furnace tapping, tunnel construction, hydropower projects, quarrying and construction.
Couplings | |||||
LHS Part No. | Thread(Female Thread Unmarked) | Length(mm) | Diameter(D)mm | Design | |
LT38-190 | T38 | T38 | 190 | φ56 | Half Bridge |
LT38-190Q | T38 | T38 | 190 | φ56 | Full Brideg |
LR35T38-170Q | R35 | T38 | 170 | φ56 | Full Brideg |
LT38T45-190Q | T38 | T45 | 190 | φ63 | Full Brideg |
Couplings | ||||
LHS Part No. | Threads | Length(mm) | Diam.(D)mm | |
Female Threads | Male Threads | |||
LR32T38M-220 | R32F | T38M | 210 | φ45 |
LST58ST68M-320 | ST58F | ST68M | 320 | φ88 |