Thread Drill Bit

Overview:

R28 Thread Drill Bit
R32 Thread Drill Bit
R38 Thread Drill Bit
T38 Thread Drill Bit
T45 Thread Drill Bit
T51 Thread Drill Bit

Product Applications Product Features Technical Parameters Related Products

Applications

This top hammer drill bits for mining are widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.

Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.

Features of  Top Hammer Drill Bits

1. Top Hammer Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations. Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
2. Recommended for eliminating hole deviation.
3. Widely used drifting and tunneling,Surface drilling and underground tunneling project.
4. Top Hammer Drill Bit face design is ideal for medium-hard to hard abrasive rock.

R28 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

38

1 1/2”

0.5

41

1 5/8”

0.6

43

1 11/16”

0.7

45

1 3/4”

0.7

38

1 1/2”

0.5

41

1 5/8”

0.6

43

1 11/16”

0.7

45

1 3/4”

0.7

Coupling

Characteristics

Diameter

Length

Weight(kg)

mm

Inch

mm

Inch

 

R28

39

1 1/2”

150

6”

0.9

R32/R28

45

1 3/4”

170

6 11/16”

1.3

 

R32 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

45

1 3/4”

0.8

48

1 7/8”

0.9

51

2”

1.0

57

2 1/4”

1.2

64

2 1/2”

1.5

41

1 5/8”

0.6

45

1 3/4”

0.7

48

1 7/8”

0.9

51

2”

1.0

Coupling

Characteristics

Diameter

Length

Weight(kg)

mm

Inch

mm

Inch

 

R32

45

1 3/4”

160

6” 1/4”

1.0

R38/R32

54

2 1/8”

180

7 9/64”

1.1

 

R38 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

64

2 1/2”

1.7

70

2 3/4”

1.9

76

3”

2.5

89

3 1/2”

3.7

64

2 1/2”

1.7

70

2 3/4”

1.9

76

3”

2.5

89

3 1/2”

3.7

Coupling

Characteristics

Diameter

Length

Weight(kg)

mm

Inch

mm

Inch

 

R38  T38/R38

54

2 1/8”

190

7 1/12”

1.8

 

T38 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

64

2 1/2”

1.7

76

3”

2.5

89

3 1/2”

3.7

102

4”

4.6

64

2 1/2”

1.7

76

3”

1.9

Coupling

Characteristics

Diameter

Length

Weight(kg)

mm

Inch

mm

Inch

 

T38

54

2 1/8”

190

7 1/12”

1.8

T45/T38

63

2 31/64”

195

7 11/16”

2.8

 

T45 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

76

3”

2.2

89

3 1/2”

3.7

102

4”

4.4

115

4 1/2”

6.3

76

3”

1.9

89

3” 1/2”

3.7

Coupling

Characteristics

Diameter

Length

Weight (kg)

mm

Inch

mm

Inch

 

T45

63

2 1/2”

210

8 1/4”

2.9

 

66

2 19/32”

210

8 1/4”

3.2

T51/T45

72

2 27/32”

218

8 19/32”

4.4

 

T51 Thread Drill Bit

Drill bit

Diameter

Weight(kg)

mm

Inch

89

3 1/2”

3.8

102

4”

5.2

115

4 1/2”

6.7

127

5”

8.0

Coupling

Characteristics

Diameter

Length

Weight(kg)

mm

Inch

mm

Inch

 

T51

76

3”

225

8 7/8”

4.7

Send Us A Message You will get an answer quickly that you have requested !

    Home Tel Mail Inquiry