High Quality 190mm T38 Thread Drill Rod Coupling Sleeve for Connecting Rod and Drill Bit

• Customized: Customized
• Certification: ISO
• Usage: Rock Drilling ,Tunneli Mining,Quarry Drilling
• Material: High-Carbon Steel
• palabras clave: manguito de acoplamiento
• ventaja: resistente al desgaste
• No. de Modelo.: T38 190MM
• longitud: 190mm
• Diamet: 55mm
• Paquete de Transporte: Wooden Box or Others
• Marca Comercial: KUANGBAO
• Origen: China
• Capacidad de Producción: 1000PCS/Month

Descripción de Producto

Product Description

Product Name	Rock Drilling Coupling Sleeve
Usage	Small hole drilling ,Tunnelling and Drifting ,Bench and Production Drilling
Material	Carbon Steel
Length	190mm
Diamet	55mm

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. 

APPLICATION

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