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. We can manufactures semi-bridge, full bridge
coupling sleeves for the percussive tools. 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 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 (i. E., S36IR rock drill) Main Products: 1-12
inch middle-low/high air pressure DTH hammers & bits Big hole high
air pressure DTH hammer using in water well, oil, gas and
construction drilling Eccentric overburden drilling Equipment Hole
opener bit Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,
T51, ST58, GT60) Extension Rod, M/F Rod, M/m Rod, Drift Rod, Shank
adapter, coupling sleeves and all kinds of adapters Advantages:
Compared with the oversea brands, our advantages are bellowing: A.
Our products can match over 95% against the original products B.
Price are competitive against the famous brands and best quality
against the small factory About Us: 1. Our factory has been
specialized in manufacturing drilling tools and spare parts for
over 10 years. 2. We have advanced technology and equipment. 3. Our
technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main
market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay,
Iran, Philippines, Thailand, India, etc.
Product Name:coupling sleeveDescription:coupling sleeveuse to connect several rods to each otherMaterial:Alloy steel barMOQ:5pcsTypefull-bridge,semi-bridge,same diameter etcThread typeR22,R25,R28,R32,R38,T38,T45,T51Diameter33mm-76mmLength140mm-250mmColorGold, Red/*
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