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Tunneling Length 8.25 Inch T45 210mm Threaded Couplings

Categories Drill Coupling
Place of Origin: China
Brand Name: MIROC
Model Number: T45 210mm
MOQ: 50
Packaging Details: Carton Box or Wooden Box
Delivery Time: 25 days
Payment Terms: T/T or L/C
Supply Ability: 20000 pieces per month
Price: negotiation
Certification: ISO
Product name: Coupling sleeve
Color: Customized
Heat treatment: Fully carburization
Feature: High wear resistant
Usage: Small Hole Drilling Shank
Item: drill mining rod
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Tunneling Length 8.25 Inch T45 210mm Threaded Couplings

Tunneling Length 8.25 Inch T45 210mm Threaded Couplings

Description

Because of different applications, we need different lengths of drill stems, so couplings sleeves are used for connecting extension rods. There are semi-bridge couplings and full bridge couplings, the only difference between them is that semi-bridge couplings have a middle stop at the middle of couplings. Usually couplings two ends are the same couplings, like R25, R32,R38,T45, T51, etc .While sometime people need crossover couplings to work, for example, one end is R32 and another end is R38, but basically all couplings are female threads at the two ends.


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 diameteCoupling 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.


Applications
• Underground Mining
• Tunneling


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

Specification

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

Product Tags:

threaded coupling

  

rock drilling tool

  
Quality Tunneling Length 8.25 Inch T45 210mm Threaded Couplings for sale
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