Description
T38-R38 280mm Crossover Coupling Threaded Drill Tool Coupling sleeves
Product Description
Couplings sleeve are used to well connect the shank adapter to the drill rods or well contact two Extension Rods for transmitting energy. It has standard type coupling and crossover coupling.There are many thread specifications of the connecting sleeve, according to the needs of the supporting rod, there can be a variety of combinations.
Competitive Advantage
•High strength alloy steel with high fatigue strong resistance to breaKing.
•Accurate dimension of thread perfectly matches the rock drill rod•Work reliable and very cost-effective
Other Specification of coupling
Coupling Sleeve |
Lengthmm |
Length inch |
Diametermm |
Diameter inch |
Thread | Weightkg |
225 | 8 6/7 | 71 | 2 4/5 | T51 | 4.6 | |
225 | 8 6/7 | 76 | 3 | T51 | 4.8 | |
235 | 9 1/4 | 72 | 2 6/5 | T51 | 4.7 | |
235 | 9 1/4 | 77 | 3 | T51 | 4.9 | |
210 | 8 1/4 | 63 | 2 1/2 | T45 | 3 | |
210 | 8 1/4 | 66 | 2 1/2 | T45 | 3.3 | |
190 | 7 1/2 | 55 | 2 1/6 | T38 | 2.1 | |
170 | 6 2/3 | 55 | 2 1/6 | R38 | 1.9 | |
190 | 7 1/2 | 55 | 2 1/6 | R38 | 2.1 | |
150 | 6 | 44 | 1 3/4 | R32 | 1 | |
160 | 6 2/7 | 44 | 1 3/4 | R32 | 1.1 |