Gold Member Since 2014
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Xiamen Prodrill Equipment Co., Ltd.

Coupling Sleeves, Sleeve Coupling, Drilling Coupling Sleeves manufacturer / supplier in China, offering Sleeve Coupling for Extension Rod, Soundless Stone Cracking Powder for Granite Quarrying, Thread Button Bit for Drill Hole and so on.

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Supplier Homepage Product Shank Adaptor & Coupling Sleeve Coupling for Extension Rod

Sleeve Coupling for Extension Rod

Purchase Qty.:
(Pieces)
10-19 20-29 30-49 50-99 100+
FOB Unit Price: US $50 US $48 US $45 US $40 US $35
Purchase Qty. (Pieces) FOB Unit Price
10-19 US $50
20-29 US $48
30-49 US $45
50-99 US $40
100+ US $35
Get Latest Price
Production Capacity: 1000pec/Months
Transport Package: Wood Package
Payment Terms: T/T, Western Union

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Product Catalog
rock driller, drilling tools
18 Products
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Basic Info
  • Model NO.: Prodrill
  • Material: Alloy Steel Bar
  • Brand: Prodrill
  • Color: Gold, Red
  • Specification: HIGH QUALITY
  • HS Code: 82071990
  • Usage: Coal, Ore
  • Condition: New
  • Thread Type: R22, R25, R28, R32, R38, T38, T45, T51
  • Trademark: PRODRILL
  • Origin: China
Product Description
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 sleeve
Description:coupling sleeve
use to connect several rods to each other
Material:Alloy steel bar
MOQ:5pcs
Typefull-bridge,semi-bridge,same diameter etc
Thread typeR22,R25,R28,R32,R38,T38,T45,T51
Diameter33mm-76mm
Length140mm-250mm
ColorGold, Red
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