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Long service life drilling bits tools R32 down the hole hammer bits


 

Long service life drilling bits tools R32 down the hole hammer bits
Long service life drilling bits tools R32 down the hole hammer bitsProduct Description

DTH bit is our main product. After many years search, we have rich experience in development and manufacturing high quality DTH Bits, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

How to Select Threaded ButtonBits Face shape and Carbide Button Shape

A:Bits face shape selection

Drop Center

For high penetration rates in soft to medium-hard and fissured rock formations.

Concave Face

The all-round application bit face specifically for medium hard and homogeneous rock formation. Good hole deviation control and good flushing capacity.

Convex Face

For high penetration rates in soft to medium-hard with low to medium air pressure. It is the most resistance to steel wash, and good resistance to steel wash step gauge bit.

Flat Face

This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

B:Insert Carbide Button shape Selection

Different button is ideal for different ground conditions, abrasive levels and penetration levels. In general, the more of gauge buttons, the better over performance, especially in hard rock.

Spherical

  • Application Strength-multipurpose
  • Best suited to soft abrasive
  • 25,000 to 45,000 PSI (170 to 300 MPa)
  • Abrasive to very abrasive

Ballistic Button

  • Application Strength- fast penetration
  • Best suited to soft ground
  • 10,000to 20,000 PSI(70 to 140 MPa)
  • Non abrasive ground

Semi-ballistic

  • Application Strength-fast penetration
  • Best suited to medium ground
  • 15,000 to 25,000 PSI(100 to 170 MPs)
  • Mildly abrasive ground

Wedged (Conical) Button

  • Application Strength- fast penetration
  • Suited for all non-abrasive ground types
  • Smaller contact area
  • Best suited for smaller diameter bits

Features of our Threaded Button Bits:

  • Be produced from premium quality Nickel-alloy steel or Molybdenum-ally steel for increased durability and wear characteristics
  • Specific heat treatment standards and strict production process ensure consistence performance

Customizations

Payments

Company Information

FAQ

FAQ

Q1.Why choose us?

A1. High quality products. Good price, professional team work, Enough ability to export.

Q2. Where are our products applied to?

A2.Mine, tunnel,slope,foundation pit.

Q3. Do you have different quality for different kind of stone?

A3. Yes, according hardness of stone and stone’s feature, we have different typology respectively.

Q4. If we need technical support, can you offer us?

A4. Yes, we have an experienced team, offering our customers additional benefits with specific advice, by our product managerment staff, engineers and technicians.

Q5. Do you offer free samples?

A5. Normally we do not offer free samples, but we could properly adjust according to detailed requirement.

Q6. Is there cheap shipping cost to import to our country?

A6. For small order, Express will be the best.

And for bulk order, sea ship way is best but take longer time.

For urgent orders, we suggest via air to airport or by Express send to your door.

Q7. Which Express company you send? How many days we can receive?

A7. We are official partner of TNT, UPS, DHL, Fedx. it will take only 6-8 days after we sent.

Q8. When you can reply to me when I send you an Inquiry?

A8. We promise to reply within 24 hours( including holidays) on receipt of your inquiry.

Contact us




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6.Free upgrade forever.

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8.CE Cetificate.



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