Dongying Kaihao Petroleum Equipment Co. Ltd._Kelly
 
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  PRODUCT SHOW
Kelly

 

 

 

1

Length of drive parts   ft

Model a

2 1/2

3

3 1/2

4 1/4

5 1/4

2

Standard  b LD

37

37

37

37

37

3

Choose    b LD

-

-

-

51

51

4

Total length ft

Standard  c L

40

40

40

40

40

5

Choose    c L

-

-

-

54

54

6

Square size d DFL

2 1/2

3

3 1/2

4 1/4

5 1/4

7

Corner size e EC

39/32

315/16

417/32

59/16

229/32

8

Drive parts

Corner size f DCC

3.25

3.875

4.437

5.5

6.75

9

Radius  size

g  RC

5/16

3/8

1/2

1/2

5/8

10

Radius size

l RCC

18/15

115/16

27/32

2 3/4

3 3/8

11

Min thickness of slant hole

t

0.45

0.45

0.45

0.457

0.625

12

Top female thread

Connection

Left-hand size

Standard

65/8REG

65/8REG

65/8REG

65/8REG

65/8REG

13

choose

41/2REG

41/2REG

41/2REG

41/2REG

_

14

Standard

h DU

7 3/4

7 3/4

7 3/4

7 3/4

7 3/4

15

Choose

h DU

5 3/4

5 3/4

5 3/4

5 3/4

-

16

Length

i LU

16

16

16

16

16

17

O.D

Standard

j DF

721/64

721/64

721/64

721/64

721/64

18

Diameter of beveling angle

Choose

j DF

519/64

519/64

519/64

519/64

-

19

Down Female thread

Connection

Model

NC26

NC31

NC38

NC46mNC50m

51/2FHm NSC56m

20

O.D

h D LR

3 3/8

3 3/8

4 3/4

6 1/4 6 3/8

7 7

21

Length I LL

20

20

20

20 20

20 20

22

Diameters of beveling angle

DF

317/64

316/64

337/64

5 23/32 6 1/16

6 23/32 6 47/64

23

I.D

k d

1 1/4

1 3/4

2 1/4

2 13/64 2 13/16

3 1/4 3 1/4

 

 

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