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76-445mm Three Wings Chevron Drag Drill Bits

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76-445mm Three Wings Chevron Drag Drill Bits

Place of Origin : China

Brand Name : Jinke

Certification : CE,ISO

Model Number : N/A

MOQ : N/A

Packaging Details : Standard Export Delivery Package

Delivery Time : In stock or 7days

Payment Terms : T/T

Supply Ability : Based on Detailed Order

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76-445mm Three Wings Chevron Drag Drill Bits

Chevron Bits,all sizes are generally 3 wings and standard design;

Any size of 4 wings or chevron type is upon customer’s request;

All sizes connection type are AROD,NROD or standard API thread;

Any special size and design is upon customer’s request.

Chevron Drag Drill Bits: three wings chevron drag bit, four wings chevron drag bit;
Drag bits diameter:76mm to 445mm;

No.

Bit Diameter

Bit Design

Type

Part No

inch

mm

Step / Chevron

　

1

2 1/2〞

64

S C

DB212S DB212C

2

2 3/4〞

70

S C

DB234S DB234C

3

2 15/16〞

75

S C

DB21516S DB21516C

4

3〞

76

S C

DB3S DB3C

5

3 1/8〞

79

S C

DB318S DB318C

6

3 1/4〞

83

S C

DB314S DB314C

7

3 1/2〞

89

S C

DB312S DB312C

8

3 5/8〞

92

S C

DB358S DB358C

9

3 3/4〞

95

S C

DB334S DB334C

10

3 7/8〞

98

S C

DB378S DB378C

11

4〞

102

S C

DB4S DB4C

12

4 1/8〞

105

S C

DB418S DB418C

13

4 1/4〞

108

S C

DB414S DB414C

14

4 1/2〞

114

S C

DB412S DB412C

15

4 5/8〞

117

S C

DB458S DB458C

16

4 3/4〞

121

S C

DB434S DB434C

17

4 7/8〞

124

S C

DB478S DB478C

18

5〞

127

S C

DB5S DB5C

19

5 1/8〞

130

S C

DB518S DB518C

20

5 1/4〞

133

S C

DB514S DB514C

21

5 1/2〞

140

S C

DB512S DB512C

22

5 5/8〞

143

S C

DB558S DB558C

23

5 3/4〞

146

S C

DB534S DB534C

24

5 7/8〞

149

S C

DB578S DB578C

25

6〞

152

S

DB6S DB6C

26

6 1/8〞

156

S

DB618S

27

6 1/4〞

159

S

DB614S

28

6 1/2〞

165

S

DB612S

29

6 5/8〞

168

S

DB658S

30

6 3/4〞

171

S

DB634S

31

6 7/8〞

175

S

DB678S

32

7〞

178

S

DB7S

33

7 1/8〞

181

S

DB718S

34

7 1/4〞

184

S

DB714S

35

7 1/2〞

191

S

DB712S

36

7 5/8〞

194

S

DB758S

37

7 3/4〞

197

S

DB734S

38

7 7/8〞

200

S

DB778S

39

8〞

203

S

DB8S

40

8 1/8〞

206

S

DB818S

41

8 1/4〞

210

S

DB814S

42

8 1/2〞

216

S

DB812S

43

8 5/8〞

219

S

DB858S

44

8 3/4〞

222

S

DB834S

45

8 7/8〞

225

S

DB878S

46

9〞

229

S

DB9S

47

9 1/8〞

232

S

DB918S

48

9 1/4〞

235

S

DB914S

49

9 1/2〞

241

S

DB912S

50

9 5/8〞

244

S

Product Tags:

diamond core barrel

      

core barrels

      
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