طوق الحفر - أنبوب الحفر الأملس واللولبي

نموذج خيط طوق المثقاب

OD

بطاقة تعريف

الوقت مم

mm

in

mm

in

NC23-31

79.4

3-1/8

31.8

1-1/4

9150

NC26-35

88.9

3-1/2

38.1

1 1/2

9150

NC31-41(2-7/8IF)

104.8

4-1/8

50.8

2

9150

NC35-47

120.7

4-3/4

50.8

2

9150

NC38-50(3-1/2IF)

127.0

5

57.2

2-1/4

9150

NC44-60

152.4

6

57.2

2-1/4

9150/9450

NC44-60

152.4

6

71.4

2-13/16

9150/9450

NC44-62

158.8

6-1/4

57.2

2-1/4

9150/9450

NC46-62(4IF)

158.8

6-1/4

71.4

2-13/16

9150/9450

NC46-65(4IF)

165.1

6-1/2

57.2

2-1/4

9150/9450

NC46-65(4IF)

165.1

6-1/2

71.4

2-13/16

9150/9450

NC46-67(4IF)

171.4

6-3/4

57.2

2-1/4

9150/9450

NC50-67(4-1/2IF)

171.4

6-3/4

71.4

2-13/16

9150/9450

NC50-70(4-1/2IF)

177.8

7

57.2

2-1/4

9150/9450

NC50-70(4-1/2IF)

177.8

7

71.4

2-13/16

9150/9450

NC50-72(4-1/2IF)

184.2

7-1/4

71.4

2-13/16

9150/9450

NC56-77

196.8

7-3/4

71.4

2-13/16

9150/9450

NC56-80

203.2

8

71.4

2-13/16

9150/9450

6-5/8 عادي

209.6

8-1/4

71.4

2-13/16

9150/9450

NC61-90

228.6

9

71.4

2-13/16

9150/9450

7-5/8 عادي

241.3

9-1/2

76.2

3

9150/9450

NC70-97

247.6

9-3/4

76.2

3

9150/9450

NC70-100

254.0

10

76.2

3

9150/9450

8-5/8REG

279.4

11

76.2

3

9140/9450