Anti Corrosion Thread Drill Coupling Sleeve For Underground Mining Drilling Tools
Coupling sleeve also called Coupling,when using rock drills with male shank adapters and 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. We can manufactures semi-bridge, full bridge coupling sleeves for the percussive tools.
Function: Coupling sleeve,Adapter Coupling
Type: Full-bridge,Semi-bridge, same/different diameter coupling
Suitable for top hammers and drifter from Atlas Copco, Tamrock,Furukawa,Ingersoll Rand,etc.
| Product Name: | Thread coupling sleeve |
| Thread | R25,R28,R32,R38,T38,T45,T51 |
| Diameter | 35mm-77mm (or 1 3/8 inch to 3 inch) |
| Length | 150mm-235mm (or 6 inch to 9 1/4 inch) |
| Material: | High strength alloy steel bar |
| Type | full-bridge, semi-bridge etc. |
| Color | Green, Gold, Black or based on customer requirements. |
| MOQ: | No MOQ required for testing and trial order |
Specification and function of the coupling sleeve:
Full-Bridge Coupling sleeve
Eliminates the potential for the coupling to creep along the threaded joints
Typically used in surface applications
Better uncoupling characteristics and tend to maintain tighter joints
Less chance of jamming
Best suited to machines equipped with independent rotation.
Semi-Bridge Coupling sleeve
Small non-threaded bridge in the center
Steel cannot thread past bridge area
Smaller diameter steel end portions fit together in the centre bridge area of the coupling
Semi-bridged couplings are most suited to high torque machines
Most rope and T threaded couplings are semi-bridged
Same diameter Coupling sleeve
Eliminates the potential for the coupling to creep along the threaded joints
Typically used in surface applications
Better uncoupling characteristics and tend to maintain tighter joints
Less chance of jamming
Best suited to machines equipped with independent rotation.
Paremeter of the coupling sleeve:
Why choose our thread drill coupling sleeves?
1. High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance.
2. Stable and mature welding technology ensure high quality of bits
3. Accurate dimension of taper degree perfectly matches the button bits
4. work reliable and very cost-effective
5. Rod bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
6. Rock drilling tools are exported throughout the world. Main market: Norway, USA,Canada,Brazil, Uganda,UAE, Philippines, Thailand etc.
Packing details : Wooden case and steel bundle.
Keywords
Thread coupling sleeve, R25 R28 R32 R38 T38 T45 T51 coupling sleeve
Crossover coupling, full bridge coupling, semi- bridge coupling
Manguito de acoplamiento de rosca, manguito de acoplamiento R25 R28 R32 R38 T38 T45 T51
Acoplamiento Crossover, acoplamiento de puente completo
We specialize in Rock drilling tools, including rock drill bits,tapered drill tools,threaded drill tools,Down the hole drilling tools ( DTH ), which are widely used in mining , quarrying , well drilling and construction . All these products are compatible with other world world leading brands such as Atlas Copco , Sandvik , Mitsubishi and Boart Longyear.
Test is the best way to find suitable rock drilling tools, for samples please Email drillbit@qq.com
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