R28 Tungsten Carbide Thread Button Bit

R28 Tungsten Carbide Thread Button Bits are widely used in Drifting and Tunneling. GMD could design customized thread button drill bits according to different drilling application....

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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.


N--R25 Button Bit


N-R25 Button Bit-2

R28 Button bit, normal skirt

Diameter

Buttons

Flushing hole

Angle

Weight

mm

inch

Gauge x mm

Front x mm

Sild

Front

Gauge

kg

38

1 1/2

5x9

2x7

1

1

30°

0.52

38

1 1/2

4x9

2x8

2

1

30°

0.50


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.

Compared with the traditional sheet bit, Column tooth drill bit with the advantage of grinding cycle length, drilling speed.


Notes:

Special sizes may   be available upon request.


PACKING 

R28 BUTTON BIT (2)


N-packing




How to order?
Button Bit: Diameter   + Thread + Skirt Shape + Face Design + Insert Configuration


How To Choose Right Face Design And Body Skirt of R28 Tungsten Carbide Thread Button Bits




Button Bit Face & Skirt Design  

Face & Skirt Design

Application

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

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

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

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Retrac SkirtFor 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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