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Rock Drilling Rig T38 T45 T51 GT60 Coupling Sleeves for Mining Rock Drilling Coupling sleeve

Categories Top Hammer Drilling
Brand Name: ROSCHEN
Model Number: T38 T45 T51 GT60
Certification: ISO
Place of Origin: CHINA
MOQ: 5 pcs
Price: Negotiate
Supply Ability: 100000 pcs
Packaging Details: wooden box
name: Top hammer drill bits
size: T38 64 76 button bits
series: Coupling sleeve
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    Rock Drilling Rig T38 T45 T51 GT60 Coupling Sleeves for Mining Rock Drilling Coupling sleeve

    Rock Drilling Rig T38 T45 T51 GT60 Coupling Sleeves for Mining Rock Drilling Coupling sleeve

    Thread R38 T38 T45 T51 Coupling Sleeves for Bench Drilling , High Wear Resistance

    Coupling sleeves, other name is 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.

    Couplings sleeve are used to well connect the shank adapter to the drill rods or well contact two extensionrods for transmitting energy. It has standard type coupling and crossover coupling.

    Product Name:Thread coupling sleeve
    Diameter35mm-77mm (or 1 3/8 inch to 3 inch)
    Length150mm-235mm (or 6 inch to 9 1/4 inch)
    Material:High strength alloy steel bar
    Typefull-bridge, semi-bridge etc.
    ColorGreen, Gold, Black or based on customer requirements.
    MOQ:No MOQ required for testing and trial order


    1. R25, R28, R32, R38
    Used in drifting and tunneling.

    2. T38, T45, T51
    Used in benching and long hole drilling.

    CNC milling and proprietary heat treatment process

    Competitive Advantage
    High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance


    Coupling Sleeve
    LengthDiameterThreadWeightPart Number
    R25 Coupling Sleeve
    1506351 3/8R250.74148300429
    1556 1/9441 3/4R2514148300430
    1606 2/7381 1/2R251.34148300431
    R28 Coupling Sleeve
    1506401 4/7R280.94148300483
    1706 2/3552 1/6R2824148300484
    R32 Coupling Sleeve
    1506441 3/4R3214148300646
    1606 2/7441 3/4R321.14148300647
    R38 Coupling Sleeve
    1706 2/3552 1/6R381.94148300703
    1907 1/2552 1/6R382.14148300704
    T38 Coupling Sleeve
    1907 1/2552 1/6T382.14148300803
    T45 Coupling Sleeve
    2108 1/4632 1/2T4534148300881
    2108 1/4662 3/5T453.34148300882
    T51 Coupling Sleeve
    2258 6/7712 4/5T514.64148300961
    2258 6/7763T514.84148300962
    2359 1/4722 5/6T514.74148300963
    2359 1/4773T514.94148300964

    Extension rod & MF rod
    R32, R38, T38, T45, T51, T60 Thread Extension Rod:
    (1) Threaded Connection: R22, R25, R32, R38, T38, T45, T51, and so on.
    (2) Diameter: OD32, OD38, HEX32, HEX35, And so on.
    (3) Length: 600-6400mm.
    (4) Package: Wooden cases or wrapped with plastic knitting and then packed into bundles or as per your requests.
    Roschen group limited is one of the largest enterprise in China specializing in research and manufacture of rock drilling products and pneumatic tools. It has a complete set of equipment for producing rock drilling products and pneumatic tools. Which include all types of rock drilling tools, mine fittings, civil engineering tools, cutting tools of shield machine etc. The special in producing high quality rock drilling tools are High air pressure and Low air pressure DTH Bits and Hammers, RC reverse circulation hammers and bits, Different kinds of Thread Button Bits, Retrac thread button Bits, Thread Cross Bits, Shank Adaptors, Coupling Sleeves, MF rod & Extension rod, Tapered button bits, Chisel Bits, Cross Bits, Mining Bits, Coal Bits/Picks, and various kinds of tool joints and drill pipes, and spare parts for drilling rigs, etc. Can be customized according to customer's requirements.
    Roschen group limited with its top technicians, abundant production experience, superior equipment, advanced manufacturing engineering, scientific management system and high-quality after-sale services, the company is developing rapidly and constantly in the fierce market competition. Furthermore, Roschen group limited has already passed the ISO9001:2008 and ISO14001:2004. The company has the self-supported import and export right. ROSCHEN has own a good market all over globe for the good quality and high performance. Meanwhile, the company is still actively exploring overseas market. ROSCHEN products have been exported to more than 100 countries including Australia, Africa, Europe, Norther America, South Amercia, Asisa, Middle East Zone, etc.
    Roschen group limited will be adhering to the "quality is the survival of product, the customer is the source of survival" as our concept. We hope to cooperate with more customers for mutual development and benefits. Also welcome potential buyers to contact us.

    China Rock Drilling Rig T38 T45 T51 GT60 Coupling Sleeves for Mining Rock Drilling Coupling sleeve factory
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