• rock drill steels coupling sleeves
  • rock drill steels coupling sleeves
  • rock drill steels coupling sleeves
  • rock drill steels coupling sleeves
  • rock drill steels coupling sleeves
  • rock drill steels coupling sleeves

Drill Rod Couplings

Material:Alloy steel bar
Weight:1-2.5kg
Type:Full-bridge,Semi-bridge,Same diameter etc
Thread type:R22, R25, R28, R32, R38, T38, T45, T51

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Drill Rod Couplings

Summary

Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmit up to 6300 blows per minute from the piston continually, with great endurance and dependability.
Size: R25,R28, R32, R35,R38, T38, T45, T51,R25-R28, R22-R25, R25-R32 R32-R38, R32-T38.
Length: 140mm-250mm

Basic Information

Application Place: Tunneling,mining,deep foundtion rock support.
Length(M): 105-220
Thread Type: T & R, Left or Right
Productivity: 5000pcs/ month
Package: In wooden case or in carto
Certification: CE, SGS, ISO
Usage: Coal, Ore, Water Well
Condition: New
Name of a Part: Coupler
Outside Diameter mm: 36-95
Hardness(HRC): 23-30
Specification: CE, SGS, Sira
HS Code: 84314320

Information you may be interested with

1. Methods of Payment
T/T (Telegraphic Transfer) or Western Union
2. Handling Time for an Order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping Way
Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: We suggest by air or by sea.
4. Quality Control
We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.
5. After Services:
A. Our sales team will response for your question within 24 hours (Holidays Excluded).
B. Technical support will be available in any time.
C. Free replacement will provide once the failure confirmed caused by our product quality.

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