T38 Drill Bits for Long Hole Drilling

T38 Drill Bits are widely used in Bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer Drilling....

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GMD offers a complete selection of Top Hammer Drilling Tools to meet all of your drilling needs, which are suitable for any type of drilling application in mining, tunneling, construction and quarry work.

With the top quality of alloy steels and the best carbides, we produce all Top Hammer Drilling Tools by hot press technology and multiple heat-treated process to extend the product life for maximum wear and performance in the toughest of drilling conditions.

Our products are suitable for powerful percussive drills and top hammers with high speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco 352 rocket boomer jumbo, AtlasCopcoD7roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660.

The products are widely used in bench and production drilling, extensional drilling.

 

Specification of T38 Drill Bits , kindly check below:

Thread type: T38

Head diameters: 57mm ~ 115mm   

Face designs; Flat Face, Drop Center, Uni-face;

Carbide shape: Dome, Ballistic , Semi-Ballistic, 

Skirt designs: Standard, retrac, straight retrac

Application: Bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer.

 

Normal Skirt Flat Face Domed Button Bit


  

T38 Drill Bits Retrac Flat Face Semi-Ballistic Button Bit

T38-89MM.jpg


T38 Retrac Drop Center Semi-Ballistic Button Bit

T38 Button Bit.jpg


All tooth bit series passivation cycle is long, the wear life of about with the blade diameter titles bit wear life of 5-6 times, can save auxiliary working hours, reduce the physical labor of workers and accelerating the pace of work. Therefore different diameter of the taper connection and thread connection ball tooth bit is widely used in all kinds of hard and brittle rock with the drilling rig. Sweden's engineering and technical personnel that ball tooth bit and hydraulic drilling jumbo combination, is the best matching of modern drilling technology. 

In the recent 20 years, Thread Button Bit series development very fast, it is accompanied by hydraulic rock drill hole quickly save industry to improve the drilling speed and drilling auxiliary working hours.

 

How to choose Right T38 Drill Bits ?

Button Bit Face & Skirt Design  

 Face & Skirt Design

Application

image010.gif

Flat Face: For Drilling in medium to hard and abrasive rock

image012.gif

Drop Center   Face: For drilling in medium hard, maximum hole deviation control

image014.gif

Normal Skirt: For drilling in very hard and very abrasive rock formation which is compact

image016.gif

Retrac Skirt: broken or fissured rock where it is difficult to retrac the drilling string due to the hole collapse

 

T38 Drill Bits for Bench Drilling,    Long Hole Drilling Underground

Name

Code No.

Thread

Diameter

Gauge

Front

Skirt Design

Threaded    Button Bits

Q9-57-T38

T38

57

6*10mm

3*10mm

Standard

Q9-64-T38

T38

64

6*12mm

3*11mm

Standard

Q9-64-T38-RC

T38

64

6*12mm

3*11mm

Retrac

Q9-70-T38

T38

70

6*12mm

3*11mm

Standard

Q9-70-T38-RC

T38

70

6*12mm

3*11mm

Retrac

Q9-76-T38

T38

76

6*13mm

3*13mm

Standard

Q9-76-T38-RC

T38

76

6*13mm

3*13mm

Retrac

Q9-89-T38

T38

89

6*14mm

3*13mm

Standard

Q9-89-T38-RC

T38

89

6*14mm

3*13mm

Retrac

Q10-89-T38

T38

89

6*14mm

4*14mm

Standard

Q10-89-T38-RC

T38

89

6*14mm

4*14mm

Retrac

Q12-64-T38

T38

64

8*10 mm

4*10mm

Standard

Q12-64-T38-RC

T38

64

8*10mm

4*10mm

Retrac

Q12-89-T38

T38

89

8*11mm

4*11mm

Standard

Q12-89-T38-RC

T38

89

8*11mm

4*11mm

Retrac

Q12-102-T38

T38

102

8*14mm

4*13mm

Standard

Q12-102-T38-RC

T38

102

8*14mm

4*13mm

Retrac

Q13-76-T38

T38

76

8*11mm

5*11mm

Standard

Q13-76-T38-RC

T38

76

8*11mm

5*10

Retrac

Q14-76-T38

T38

76

8*11mm

6*11mm

Standard

Q14-76-T38-RC

T38

76

8*11mm

6*11mm

Retrac

Q14-89-T38

T38

89

8*13mm

6*13mm

Standard

Q14-89-T38-RC

T38

89

8*13mm

6*13mm

Retrac

Q14-102-T38

T38

102

8*14mm

6*14mm

Standard

Q14-102-T38-RC

T38

102

8*14mm

6*14mm

Retrac

Q14-115-T38

T38

115

8*16mm

6*14mm

Standard

Q17-89-T38

T38

89

9*11mm

8*10mm

Standard

Q17-102-T38

T38

102

9*13mm

8*13mm

Standard

Q18-115-T38

T38

115

9*14mm

9*13mm

Standard

Cross Bits

CB-64-T38

T38

64

12*20.6

 

Standard

CB-70-T38

T38

70

12.7*25

 

Standard

CB-76-T38

T38

76

12.7*25

 

Standard

CB-89-T89

T38

89

12.7*25

 

Standard

CB-102-T38

T38

102

16*25

 

Standard


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