Hard Rock Drilling Retract Thread Button Bit 76t38

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: T38-76
• Length: Taper-length
• Type: Drill Tools Top Hammer Bit
• Material: Tungsten Carbide
• Usage: Mine,Drifting&Tunneling
• Transport Package: Wooden, or Others
• Specification: iso9001
• Trademark: QIDELI, LEILI
• Origin: China
• HS Code: 8207199000
• Production Capacity: 500000PCS Per Year

Product Description

 Hard Rock Drilling Retract Thread  Button  Bit 76T38

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Product Description

We choose to use superior steel suitable for hot insertion technology, by which the drilling bits body will hold the carbide buttons so tightly that reduce the risk of buttons' dropping out of the holes.

In order to better resist the abrasiveness of rock, spherical shape will be a good option for the carbide  if high speed is not a necessity. 

 

Thread: T38
Diameter: 76mm
Gauge Buttons: 8*12mm
Front Buttons: 4*11mm
Skirt Design: Standard
Weight: 2.2KG
Carbide Design: Ballistic
Customization is welcome ,we are always be here for your solutions,when you need in. 

Bit Face Shape Selection:

1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.

3. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.

4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

5. Flat Face Bit

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.

Bit button selection
round button /Domed (Usually for very hard rocks)
Ballistic button or Double gauge button (Ususally for medium hard rocks)
Sharp button or (Usually for soft rocks)

Company information

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. 

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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