Dongying Kaihao Petroleum Equipment Co. Ltd._Integral Lifting Sub
 
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Integral Lifting Sub

 

Brief introduction:  

   Integral lifting sub is a specialized tool for lifting drilling tool during drilling. It is divided into bevelled shoulder and straight shoulder.

Specifications:  

Technical specifications:  

Nominal size  

D±0.08(1/32

mmin

 I.D  

d/mm

External Thread

lifting end  

Type of thread

 

O.D

Dp±0.08

(±1/32

Mmin

Bevel

Dia.

mm

Length of

Action

mm

 

O.D

Db±0.08

Mm

Corner

Radius of

Shoulder End

Rse ±0.04

Mm

Length of

Action

mm

 

 

71.02 7/8

31.8

NC23

79.43 1/8

76.2

 

 

 

 

250.0

 

111.1

 

 

4.8

 

 

 

 

 

 

 

 

100.0

44.5

NC262 3/8

88.93 1/2

82.9

 

88.93 1/2

54.0

NC312 7/8

104.84 1/8

100.4

 

127.0

50.8

NC35

120.74 3/4

114.7

68.3

NC383 1/2IF

127.05

121.0

 

 

 

 

 

 

 

127.05

 

71.4

 

NC44

152.46

144.5

 

 

 

 

168.3

 

 

 

 

 

 

6.4

158.86 1/4

149.2

 

82.6

 

 

 

 

 

 

95.3

 

NC464IF

158.86 1/4

150.0

165.16 1/2

154.8

171.56 3/4

159.5

NC504 1/2IF

177.87

164.7

184.27 1/4

169.5

NC56

196.87 3/4

185.3

 

 

 

300.0

203.28

190.1

6 5/8REG

209.63 1/4

195.7

NC61

228.69

212.7

7 5/8 REG

241.39 1/2

223.8

NC70

247.79 3/4

232.6

254.0 10

237.3

NC77

279.411

260.7

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