H thread steel is the most common steel and bits for contractors using hand held percussive rock drills in the US. The bit threads up to the shoulder of the steel and the percussive shock wave is transferred through the shoulder to the face of the bit. It is available in all 3 standard rock drill shank sizes - 7&#;8 x 4 1&#;4, 7&#;8 x 3 ¼ and 1 x 4 ¼" and is intended for general duty use. Bits are available from 1-3&#;8" to 3" diameter and come in the following configurations:
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- Full carbide cross bits &#; Most common H thread bit as it has a deep carbide insert which will last longer and holds the gauge of the hole better.
- Shallow carbide cross bits &#; Good for hard rock and the short tungsten carbide inserts will deliver a moderate service life.
- Carbide button bits &#; Available in 1 3&#;8" to 2.25" diameter and prove to be more effective in very hard rock, especially when using the heavier classes of rock drills.
- All steel &#; Good for concrete and very soft rock applications or occasional to rare usage. You can expect a much shorter service life than a carbide bit, but there are instances when they may prove to be more econimical.
*For challenging drilling conditions, production drilling and/or when larger holes are necessary we recommend a stronger steel with a more durable thread profile, see:
1" Rope - R25 - 100 Rope or 1-1&#;4" Rope - R32 - 125 Rope
*For drilling small holes see: Whirly Bits
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T45 76mm Threaded Rock Drill Bit Hard Rock Drill Bit Mining Bits
Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the users.
According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical button, conical button and parabolic button, etc.
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.
OEM and ODM--- We can design and manufacture according to customers's samples or drawings of the Bit Dia., No. Of air/water holes, carbide button shape and the face shape.
Super Quality--- Our button bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
Global Reputation--- The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Our clients
Are all over the world, like Germany, Spain, Italy, Russia, Japan, India, Australia, Mexico, Colombia, Brazil,
Chile, South Africa...Etc. We have very good reputation worldwide!
1
0.6
Thread Type
dia
tip size(mm)
flushing holes
weight (kg)
mm
gauge
front
side
front
T38
57
5*11
3*10
1
1
1.6
64
5*12
3*11
1
1
1.6
76
5*14
3*12
1
2
2.4
T45
70
6*11
4*10
0
2
2.4
76
6*13
4*10
0
2
2.6
89
8*12
5*12
2
2
4.5
102
8*13
6*12
2
2
5
115
8*14
6*13
2
2
6.8
T51
89
8*12
5*12
2
2
4.9
102
8*13
6*12
2
2
5.8
115
8*14
6*13
2
2
6.8
127
8*14
6*14
2
2
7.5
Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the users.According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical button, conical button and parabolic button, etc.Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.OEM and ODM--- We can design and manufacture according to customers's samples or drawings of the Bit Dia., No. Of air/water holes, carbide button shape and the face shape.Super Quality--- Our button bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.Global Reputation--- The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. Our clientsAre all over the world, like Germany, Spain, Italy, Russia, Japan, India, Australia, Mexico, Colombia, Brazil,Chile, South Africa...Etc. We have very good reputation worldwide!
Contact us to discuss your requirements of Threaded Button Bit. Our experienced sales team can help you identify the options that best suit your needs.
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