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Tel:+86-635-6108138 6108130
Fax:+86-635-6108131
Email:xyh.islan@yahoo.com.cn
sdislam@yahoo.cn
Post:252000
Address:No.212-3 Xinghua Road,Liaocheng,Shandong,China
 
  　Steel Pipe
PRODUCT >> kelly
Four-party kelly

1

2

3

 length
of
drive
part

 kellya

Standardb　　LD

Selectedb　　LD

21/2

37

-

3

37

-

31/2

37

-

41/4

37

51

51/4

37

51

4

5

6

7

full

length

Standardc L

Selectedc L

Width-to-edged DFL

Diagonal widthe EC

40

-

21/2

39/32

40

-

3

315/16

40

-

31/2

417/32

40

54

41/4

59/16

40

54

51/4

229/32

8

9

10

11

 drive


part

Diagonal widthf DCC

radiusg 　　　RC

radiusl　　　RCC

min thicknesst

3.250

5/16

15/8

0.450

3.875

3/8

115/16

0.450

4.437

1/2

27/32

0.450

5.500

1/2

23/4

0.457

6.750

5/8

33/8

0.625

12

13
14

15

16

17

18

 top
with
thread
connection

Left

Spiral

Standard

Selected
Standardh　　DU

Selectedh　　DU

lengthi　 LU

Standardj　　DF

Selectedj　　DF

65/8REG

41/2REG
73/4

53/4

16

721/64

519/64

65/8REG

41/2REG
73/4

53/4

16

721/64

519/64

65/8REG

41/2REG
73/4

53/4

16

721/64

519/64

65/8REG

41/2REG
73/4

53/4

16

721/64

519/64

65/8REG

_
73/4

-

16

721/64

-

OD

Chamfer

diameter

19

20

21

22

23

 bottom
of
thread
connection

Specifications & type

ODh　　　DLR

lengthi　　　　LL

Chamfer diameteri　DF

diameterk　　　　d

NC26

33/8

20

317/64

11/4

NC31

33/8

20

316/64

13/4

NC38

4 3/4

20

337/64

2 1/4

NC46m NC50m

6 1/4 6 3/8

20 20

5 23/32 6 1/16

2 13/64 2 13/16

51/2FHm NSC56m

7 7

20 20

6 23/32 6 47/64

3 1/4 3 1/4


Six-party kelly

1

2

3

 length
of
drive
part

 kellya

Standardb　　LD

Selectedb　　LD

3

37

-

31/2

37

-

41/4

37

51

51/4

37

51

6

37

51

4

5

6

7

 full

length

Standardc　　L

Selectedc 　　L

Width-to-edged　DFL

diagonal widtheEC

40

-

3

33/8

40

-

31/2

331/32

40

54

41/4

413/16

40

54

51/4

531/32

40

54

6

631/32

8

9

10

11

 drive


part

diagonal widthf DCC

radiusg 　　　 RC

radiusl　　　 RCC

min thicknesst

3.375

41/4

413/16

4.475

3.937

1/4

131/32

0.525

4.781

5/16

225/64

0.625

5.900

3/8

261/64

0.625

6.812

3/8

313/32

0.625

12

13

14

15

16

17

18

 top
with
thread
connection

Left

Spiral

Standard

Selected

Standardh　　　DU

Selectedh　　　DU

lengthi　　　LU

Standardj　　　DF

Selectedj　　　DF

65/8REG

41/2REG

73/4

53/4

16

721/64

519/64

65/8REG

41/2REG

73/4

53/4

16

721/64

519/64

65/8REG

41/2REG

73/4

53/4

16

721/64

519/64

65/8REG

-

73/4

-

16

721/64

-

65/8REG

_

73/4

-

16

721/64

-

OD

Chamfer

diameter

19

20

21

22

23

 bottom
of
thread
connection

Specifications & type

ODh　　　 DLR

lengthi　　　LL

Chamfer diameteriDF

diameteri　　　d

NC26

33/8

20

317/64

11/4

NC31

4 1/8

20

316/64

13/4

NC38

4 3/4

20

4 37/64

2 1/4

NC46KNC50K

6 1/4 6 3/8

20 20

5 23/32 6 1/16

3 K 31/4 K

51/2FHK NC56K

7 7

20 20

6 23/32 6 47/64

3 1/2 3 1/2

 
Tel:+86-635-6108138 6108130 Fax:+86-635-6108131 Email:xyh.islan@yahoo.com.cn sdislam@yahoo.cn
Address:No.212-3 Xinghua Road,Liaocheng,Shandong,China Copy(C)Shandong Islam International Trade Co., Ltd