石油钻具接头数字型(NC)螺纹工作规/校对规/锥度规
NUMBERED CONNECTIONS (N.C.) WORKING/MASTER/TAPER GAGES
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规格
SIZE
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牙数
T.P.I
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T.P.F
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螺纹牙形
THD FORM
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锥度TAPER
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牙型角 ANGLE
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NC10
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6
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1-1/2
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V-0.055R
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1:8
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60°
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NC12
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6
|
1-1/2
|
V-0.055R
|
1:8
|
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NC13
|
6
|
1-1/2
|
V-0.055R
|
1:8
|
|
NC16
|
6
|
1-1/2
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V-0.055R
|
1:8
|
|
NC23
|
4
|
2
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V-0.38R
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1:6
|
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NC26(2 3/8IF)
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4
|
2
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V-0.38R(V-0.065)
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1:6
|
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NC31(2 7/8IF)
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4
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2
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V-0.38R(V-0.065)
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1:6
|
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NC35
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4
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2
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V-0.38R
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1:6
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NC38(3 1/2IF)
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4
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2
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V-0.38R(V-0.065)
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1:6
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NC40(4FH)
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4
|
2
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V-0.38R(V-0.065)
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1:6
|
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NC44
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4
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2
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V-0.38R(V-0.065)
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1:6
|
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NC46(4 IF)
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4
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2
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V-0.38R(V-0.065)
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1:6
|
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NC50(4 1/2IF) (5 X.H)
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4
|
2
|
V-0.38R
|
1:6
|
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NC56
|
4
|
3
|
V-0.38R
|
1:4
|
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NC61
|
4
|
3
|
V-0.38R
|
1:4
|
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NC70
|
4
|
3
|
V-0.38R
|
1:4
|
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NC77
|
4
|
3
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V-0.38R
|
1:4
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苏州福优供应- 石油钻具接头数字型(NC)螺纹工作规