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螺距标准块依据相对应API标准及ANSI标准制造，用于测量前，测量仪器的校准。
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型号
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螺纹扣型
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TPF
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TPI
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Cross.Ref
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LS-1001
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API 8牙套管、油管圆螺纹，API 10牙油管圆螺纹
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3/4”
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8&10
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5691-A
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|
LS-1002
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直螺纹，6-18 Pitch
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直螺纹
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8&10
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5691-C
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LS-1003
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11 1/2牙，V API管线管螺纹，美标NPT螺纹
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3/4”
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11 1/2
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5691-D
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LS-1004
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直螺纹，管线管
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直螺纹
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11 /2
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5691-F
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LS-1005
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API BTC 4 1/2~13 3/8
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3/4”
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5
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5691-K
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LS-1006
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API BTC ≥16”
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1”
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5
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5691-K16
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LS-1007
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6” API Reg
4”, 5½”, & 6” API FH
2”, 3½” - 5” Hughes XH
2”, 2” - 4½” Hughes Slim Hole
2” - 5½” API IF
API NC #23-#50
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2”
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4
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5691-L
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LS-1008
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5½”, 7” - 8” API Reg
API N C:#56 - #77
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3”
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4
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5691-M
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LS-1009
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2” - 4” API Reg
3½”, 4½” API FH
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3”
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5
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5691-N
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LS-1010
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API NC#10, #12, #13, #16
M.T. (Macaroni Tubing)
2” - 3½” PAC
2” - 4” A.O.H
|
1 1/2”
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4
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5691-T3
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|
LS-1011
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3½” - 6” Hughes H-90
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2”
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3 1/2
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5691-P4A
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LS-1012
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7”- 8” Hughes H-90
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3”
|
3 1/2
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5691-P4B
|
|
LS-1013
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2 ” - 3 ½” Slim Line H-90
|
1 1/4”
|
3
|
5691-P4C
|
|
LS-1027
|
-----
|
1 1/8”
|
5
|
|
|
LS-1032
|
----
|
1 1/8”
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6
|
|
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LS-5001
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直螺纹,
1-5 pitch, 4” length
|
-
|
-
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STD-5001
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LS-5002
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直螺纹,
6-8 pitch, 4” length
|
-
|
-
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STD-5002
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