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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: BESTLINK
  • Model Number: all taper angle/degree
  • Type: Countersink Drill Bit, Chise bits,Cross bits,Button drill bits
  • Material: Tungsten Carbide
  • Use: Masonry Drilling
  • Color: red/blue/black/yellow
  • Key word: Drill bits
  • Feedback: All cliets give us best feedback
  • Application: Mine and quarry,concrete
  • Main market: Europe,Afric,Asia,North and South America
  • Life time: Depends on the material you are going to use
  • Quality system: ISO2000

Packaging & Delivery

Packaging Details: By Wooden case/carton or according to your requirement

Products name: Chinese Manufacturer for Drill bits

 

(1)Button bit taper angle: 4°,4°46″,6°,7°,11°,12°

 

(2)Models:chisel bit/cross bit/button bit

 

(3)Diam:20-45 mm

 

(4)Button bit shape:spherical/parabolic

 

(5)Socket inside diameter:15/19/22/25(mm)

 

(6)Material and process:high quality alloy steel bar and tungsten carbides, through heat treatment

 

Products technical data:

 

 

1.Tapered chisel bit

 

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.

 

DescriptionDiameterLengthWater hole

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

mmmm2
20652
23652
25692
28602
3055 882
3255 64 71 802
3471 802
36742
38742
40742
42742
45742

 

 

2.Tapered cross bit

Used under any rock drilling condition and mainly used for hard or very hard rock formation 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.

 

DescriptionDiameterLengthWeight

Taper degree a=6 °,7°,11°,12°

Socket inside d=19,22,25mm

mmmmkg
2871 800.19
2971 800.2
3050 67 71 800.3
3250 67 71 800.3
3371 800.32
3467 71 800.34
3567 71 80 0.35
3671 800.36
3867 71 800.42
4071 800.43
41710.45
4269 800.46
44800.47
45800.5

 

 

3.Tapered Button Bits

Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical, conical and parabolic button, etc.

 

Description

Diameter

Length

No. of button

Weight

Taper Angle a=4°46″,6 °,7°,11°,12°

Socket inside d=19,22,25mm

mm

mm

pcs

kg

28

50

4

0.2

29

50

4 5 6 7

0.2

30

50 80

5 6 7 8

0.2 0.3

32

50 55 71 80

6 7 8 9

0.2 0.22 0.3

33

50 55 71 80

6 7 9

0.2 0.3 0.36

34

50 55

7 8

0.22 0.3

35

55 71 80

4 5 6 7

0.22 0.3 0.37

36

50 55

7

0.3 0.35

37

55

4 6 7

0.3

38

50 55

4 6 7

0.25 0.35

40

50 55

7

0.35

41

50 55 71

4 5

0.35

42

50

6 7

0.4

45

50 55 71

6 7 8 9

0.5

 

 

 

 

 

 

 

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