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Tapered bit

  • Tapered Bit-Tapered cross bit
  • Tapered Bit-Tapered cross bit
Tapered Bit-Tapered cross bitTapered Bit-Tapered cross bit

Tapered Bit-Tapered cross bit

  • Model NO.: 32mm 34mm 36mm 38mm 40mm 45mm
  • Design - Bit: Button / Chisel / Cross
  • Diameter: 32~ 45mm
  • Taper Degree: 4, 6, 7, 11, 12
  • Product description: 32mm 34mm 36mm 38mm 40mm 45mm Tapered cross bit (chisel bits ) For Jack Hammer Rock Drilling
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32mm 34mm 36mm 38mm 40mm 45mm Tapered cross bit (chisel bits )  For Jack Hammer Rock Drilling

For tapered button bits, our factory have chisel bits, cross bits and button bits, all with various size, smooth design and very good quality, etc. All drill bits are made of high quality raw material and through special heat treatment. We have been exporting a large quantity to over 30 countries and regions such as Australia, U.S.A, South Africa, Japan, Norway and Saudi Arabia, etc.

1. Tapered chisel bits
The tapered chisel bit is widely used in drilling holes with depth less than
5 meters and diameter ranged in 20-45 mm by light-duty rock drill, like Y6.

Description

Diameter

Length

Water hole

Taper degree a=4°  6° 7° 11° 12°
Socket inside diameter d=15, 19, 22, 25


mm

mm

2

20

65

2

23

65

2

25

69

2

28

60

2

30

55 88

2

32

55 64 71 80

2

34

71 80

2

36

74

2

38

74

2

40

74

2

42

74

2

45

74

2

2. Tapered button bits

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.

Description

Diameter

Length

No. of
buttons

Taper degree a= 4°  6° 7° 11° 12°
Socket inside diameter d=19, 22, 25
http://www.quarryingtools.com/imageRepository/8d3fccfc-1399-415e-9c25-fd8bf151c96e.jpg

mm

mm

pcs

28

50

4

29

50

4 5 6 7

30

50 80

5 6 7 8

32

50 55 71 80

6 7 8 9

33

50 55 71 80

6 7 9

34

50 55

7 8

35

55 71 80

4 5 6 7

36

50 55

7

37

55

4 6 7

38

50 55

4 6 7

40

7

41

50 55 71

4 5

42

50

6 7

45

50 55 71

6 7 8 9

3. Tapered cross bit

Tapered cross bit can be used under any rock drilling condition because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled, which means carbides shape are cross type on drill bits.

Taper cross bit is mainly used for hard or very hard rock formation.

All Tapered bit are made with high quality of raw material through special heat treatment ,

Description

Diameter

Length

Weight

Taper degree a=  6° 7° 11° 12° Socket inside diameter d=19, 22, 25
http://www.quarryingtools.com/imageRepository/c40a0d2e-748a-48bd-bbed-09942b0c34fc.jpg

mm

mm

kg

28

71 80

0.19

29

71 80

0.2

30

50 67 71 80

0.3

32

50 67 71 80

0.3

33

71 80

0.32

34

67 71 80

0.34

35

67 71 80

0.35

36

71 80

0.36

38

67 71 80

0.42

40

71 80

0.43

41

71

0.45

42

69 80

0.46

44

80

0.47

45

80

0.5