Drill Pipe Couplings DTH Drilling Accessories / Box to Pin/Box Sub Adapter

• Customization: Available
• Customized: Customized
• Certification: ISO
• Model NO.: 76, 89, 102, 114, 127
• Usage: Rock Drilling ,Tunneli Mining,Quarry Drilling
• Material: High-Carbon Steel
• Advantage: Wear-Resisting
• Thread Type: P110-Z50, CIR110-T51
• Mining Object: Coal Machinery
• Length: 140-250mm
• Transport Package: Wooden Box or Others
• Specification: all kindls of
• Trademark: QIDELI, LEILI
• Origin: China
• HS Code: 8431431000
• Production Capacity: 50000PCS Per Year

Product Description

Drilling Rod Couplings DTH Drilling Accessories / Diamond DTH Hammer and Bit Drilling Pipes Couplings Joints Adapter

Qideli are a famous drilling tool manufacturer in China since 1990
We Support :
1.DTH Hammer & button bit, drill rod 
2.Top hammer bit & shank adapter & drill rod 
3.Taper bit, taper rod 
4.New and used air compressor and drilling rig 
Our products have a great advantage both in price and quality.
Customization is welcome ,we are always be here for your solutions,when you need in. 

Product Name	Rock Drilling Coupling Sleeve
Usage	Small hole drilling ,Tunnelling and Drifting ,Bench and Production Drilling
Material	Carbon Steel
Size	∅35-∅85
Brand	Qideli, Leili

 

Why Choose US:  

 

1. Adopt advanced heat treatment technology, product quality is stable, suitable for all kinds of rock.  

 

2. After many tests, the product life is at the top level in China.  

 

3. The product has excellent stability, and the adverse after-sale feedback of the product is less than 0.5%.

 

4. The suitable bit head design enables our bit to drill more efficiently and wear better.  

 

5. Increase processing of the back of bit's head can better protect the DTH Hammer, thus , thus reducing the grinding of the front joint of the impactor and prolonging the life of the DTH Hammer.

  

6. Adopt round guage button and parabolic front button design, increase drilling efficiency, and at the same time can make the guage button more hard to break, better stability. 

 

Company information

Certificate

FAQ

The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

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