• Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
  • Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
  • Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
  • Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
  • Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit
  • Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit

Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit

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Price:
$2.00 piece
2000items available
Total:$2.00

Description

Two Cutter Wings Tungsten Carbide Coal Mining Drill Bit


Coal bits are mainly used in coal and mine drilling, have dry-type& wet-type.

1. Mainly used in coal and mine drilling
2.Dry and Wet Type available
3.Dimension:25, 27, 28, 29, 30, 32, 36, 42 mm.
4.Normal Thread Model: M16*2, M14*1.5, M12*1.75, M14*1.5, M12*1.75
5.We can do different measures as per customers demand.

Specifications of twin wing coal bits

Colliery Drill Tools

Main Standard(mm)

D

H

L

M

Thread joint

27

44

17

M14×1.5

27

54

17

M12×1.75

28

54

20

M12×1.75

29

52

18

M14×1.5

30

50

18

M14×1.5

32

52

22

M14×1.5

32

56

22

M12×1.75

Specifications for more model coal mining bits

No

Specification and Size (mm)

Cutters

Structures

Diameter

Connection Size

1

27

M12x1.75

M14x1.5

2

integral

2

28

M12x1.75

F12x12

2

integral

3

30

M12x1.75

F12x12

2

integral

4

32

M14x1.5

F12x12

2

integral

5

34

M14x1.5

F12x12

2

integral

6

36

M14x1.5

F12x12

2

integral

7

38

T24x5

F14x14

2-3

integral

8

42

T24x5

F13-14

2-3

integral

9

45

T24x5

F13-18

2-3

integral

10

55

T24x5

F13-18

4

two-stage

11

65

T24x5

F13-18

4-5

two-stage

12

75

T33x4.23

F13-18

4-5

two-stage

13

76

T33x4.23

F18-24

4-5

two-stage

14

82

T42x5.08

F18-24

4-5

two-stage

15

85

T42x5.08

F18-24

4-5

two-stage

16

89

T42x5.08

F24-32

5-7

three-stage

17

95

T55x5.08

F24-32

5-7

three-stage

18

110

T55x5.08

B35-45

5-7

three-stage

19

125

T55x5.08

B35-45

5-12

four-stage

20

135

T55x5.08

B35-45

5-12

four-stage