T45 Button Bit for Bench Drilling

T45 button bits are made of alloy steels and the best carbides, we produce all threaded button bits by hot press technology....

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T45 button bits are widely used in Bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer Drilling.

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, and thread adapters in a full range of standard diameters.

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.


Specification of T45 Drill Bits , kindly check below:

Thread type: T45

Head diameters: 57mm ~ 127mm

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

Carbide shape: Dome, Ballistic , Semi-Ballistic,

Skirt designs: Standard, retrac, straight retrac


Normal Skirt Uniface Semi-Ballistic Button Bit

T45 Button Bit


T45 Button Bits Normal Skirt Uniface Domed Button Bit

 T45 Button Bits Normal Skirt Uniface Domed Button Bit


T45 Retrac Type Button Bit


T45 Retrac Type Button BitT45 Retrac Type Button BitPacking


T45 (1 3/4") Button bit for    Bench Drilling

Bits

Diameter

Buttons, mm

Angle

Flushing hole

Weight approx kg

image012.jpg

70

2 3/4"

5 x 10

8 x 11

30°

4

-

2.3

76

3"

5 x 11

8 x 12

35°

4

-

2.5

76

3"

5 x 11

8 x 12

35°

4

-

2.5

76

3"

5 x 11

8 x 11

35°

4

-

2.5

89

3 1/2"

5 x 13

8 x 13

35°

4

-

3.2

89

3 1/2"

5 x 13

8 x 13

40°

4

-

3.2

89

3 1/2"

5 x 12

8 x 12

35°

4

-

3.2


102

4"

6 x 12

8 x 13

35°

4

-

4.4

102

4"

6 x 12

8 x 13

35°

4

-

4.4

102

4"

6 x 13

8 x 13

35°

4

-

4.4


Notes: We can customize for you according to the samples or drawings with details, including bit diameter, button number, sizes and shape, flushing hole number, and face shape as well.


Button Shape and Application

Button Shape

Application

image014.gif

Domed/Round Button:Domed/Round buttons are suitable for very abrasive and very hard formations.

image016.gif

Parabolic /Semi-Ballistic Button: Parabolic buttons are usually used as gauge buttons and front buttons, suitable for medium abrasive and hard formations.



Button Bit Face & Skirt Design  

Face & Skirt Design

Application

image018.gif

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

image020.gif

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

image022.gif

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

image024.gif

Retrac Skirt:; For drilling in loose and broken or fissured rock where it is difficult to retrac the drilling string due to the hole collapse


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