GT60 Drill Bit for Bench Drilling

GT60 Tungsten Carbide Button Thread Bit is our latest product. It is perfectly suitable for automatic rod handling systems. It is widely used in Bench Drilling and underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer....

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Five Reasons Why The GT60 Drill Bit 

1. The GT60 system includes button bits to comply with all kinds of rock formations and drilling site conditions.

2.The GT60 system provides double the penetration rate, consuming half the energy compared with DTH drilling.

3. The Ø 60 mm rod cross-section is optimized for high-energy transfer of impact power in top hammer drilling of Ø 92 to 152 mm holes. Compared with 51 mm rods, the 40% larger cross-section and 65% higher bending stiffness permit faster penetration rates and straighter holes.

4. GT60 is perfectly suitable for automatic rod handling systems. Male and female (MF) threads minimize energy losses and simplify handling.

5. The large flushing holes provides superior removal of cuttings and improves drilling performance. The exact centering of the hole during manufacture ensures uniform steel walls and uniform product performance. 

GMD rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. This, together with optimal hole quality, great reliability and long service life, gives the best possible blasting results, outstanding drill-steel economy and low total cost.

 

A comprehensive range of various GT60 Drill Bit shown as below:

Thread type: GT60

Head diameters: 93mm ~ 140mm   

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

Carbide shape: Dome, Ballistic , Semi-Ballistic, 

Skirt designs: Standard, retrac, straight retrac

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GT60 Drill Bit for Bench Drilling

GT60 Drill bits

Dia.

Tip size (mm)

Flushing hole No.

Weight(KG)

mm

inch

Front

Gauge

Angle

Side

Front

 

 

 

 

 

 

 

 

 

GT60 Drill    Bit Normal Skirt

92

3 5/8"

13x4,13x1

13x8

35°

4

-

5.3

96

3 3/4"

13x4,13x1

14x8

35°

4

-

5.6

102

4"

11x9

13x9

35°

3

-

6

115

4 1/2"

12x10

14x9

35°

3

-

6.8

127

5"

13x10

14x9

35°

3

-

7.5

140

5 1/2"

14x10

16x9

35°

3

-

9

152

6"

14x12

16x9

35°

3

-

10.6

 

GT60 Drill    Bit   Retrac Skirt

92

3 5/8"

12x9

12x9

40°

2

-

5.4

96

3 3/4"

12x9

12x9

40°

2

-

6.3

102

4"

12x10

13x9

40°

2

-

7.3

115

4 1/2"

12x10

14x9

35°

3

-

9.8

118

4 5/8"

13x6

16x9

35°

3

 

10

127

5"

13x10

14x9

35°

3

-

12

140

5 1/2"

14x10

16x9

35°

3

-

14

152

6"

14x12

16x9

35°

3

-

16


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Packing

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Application

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Key Words

Thread Bit

GT60 Drill Bit

GT60 Thread Bit

Heavy equipment Top Hammer Drill

Top Hammer Drill

GT60 Tungsten Carbide Button Thread Bit


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