Atlas Copco thread T51 Sleeve Semi-bridge Coupling conection drill rod for high orque machines
Coupling sleeve
Coupling sleeves, when using rock drills with male shank adaptersand a conventional drifter rod, a coupling is required to join the adapter to the rod, ensuring the ends touch for efficient energy transmission. Couplings are also used to connect several rods to each other in the same way. Couplings have a middle stop to prevent over-threading on to the drill rod.
Both semi-bridge and full-bridge coupling sleeves are manufactured by us in different sizes as below:
Thread sizes: R25, R28, R32, R35, R38, T38, T45, T51.
Semi Bridge Coupling: R32-R25 R32-T38
Full Bridge Coupling: R32-R32 T38-T38
Thread R Thread, T thread.
Length: 140mm-250mm. Special length is available by request.
Diameter: 34mm-77mm. Special diameter is available by request.
KSQ Drilling Crossover Coupling can be exchanged and replaced with Brands Such as: Rock Drilling Tools, Atlas Copco Rock Drilling Tools, Rockmore Rock Drilling Bits, Robit Rock Drilling Bits, Mitsubishi Materials Corporation Rock Drilling Tools.
KSQ Top Hammer Rock Drilling Coupling Sleeves
We Offer three types of top hammer drilling coupling for drifter rod, extension rods, guide rods, shank rods that fit customer requirements-standard, full-bridge, or cross-over coupling, depending on your applications.
T51 Coupling sleeve specification
| Coupling Sleeve |
| Length | Diameter | Thread | Weight | Part Number |
| mm | inch | mm | inch | | kg | |
| T51 Coupling Sleeve |
| 225 | 8 6/7 | 71 | 2 4/5 | T51 | 4.6 | 4148300961 |
| 225 | 8 6/7 | 76 | 3 | T51 | 4.8 | 4148300962 |
| 235 | 9 1/4 | 72 | 2 5/6 | T51 | 4.7 | 4148300963 |
| 235 | 9 1/4 | 77 | 3 | T51 | 4.9 | 4148300964 |
Coupling sleeve specification
| Thread | Diameter | Length | Weight |
| A | B | mm | inch | mm | inch | Kg |
| R25 | R32 | 45 | 1 7/9 | 170 | 6 2/3 | 1.10 |
| R28 | R32 | 45 | 1 7/9 | 170 | 6 2/3 | 0.96 |
| R32 | R38 | 55 | 2 1/6 | 180 | 7 | 1.86 |
| R32 | T38 | 55 | 2 1/6 | 180 | 7 | 2.10 |
| R38 | T38 | 55 | 2 1/6 | 190 | 7 1/2 | 1.86 |
| R25 | 35 | 1 3/8 | 150 | 6 | 0.72 |
| R28 | 40 | 1 4/7 | 155 | 6 1/9 | 0.95 |
| R32 | 45 | 1 7/9 | 170 | 6 2/3 | 1.32 |
| R38 | 55 | 2 1/6 | 170 | 6 2/3 | 1.71 |
| T38 | 55 | 2 1/6 | 190 | 7 1/2 | 1.96 |
| T45 | 63 | 2 1/2 | 210 | 8 1/4 | 3.12 |
| T45 | 66 | 2 1/2 | 210 | 8 1/4 | 3.51 |
| T51 | 72 | 2 5/6 | 235 | 9 1/4 | 5.22 |
| T51 | 76 | 3 | 235 | 9 1/4 | 5.75 |
About US
KSQ Technologies (Beijing) Co. Ltd. is a diversified enterprise based in Beijing, China, offering a portfolio of products that help contribute to a better bottom line and increase workplace safety for the construction and mining industries.
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations. Our operations are based on the unique expertise of our people and knowledge with customer processes.
MIROC® Rock Drilling and Ground Support Tools include:
Top hammer Rock drilling tools
Down-the-hole (DTH) Bits and hammers
Diamond core drilling tools
Tricone and PDC drill bit
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Atlas Copco Thread T51 Sleeve Semi-Bridge Coupling Conection Drill Rod For High Torque Machines Images
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