API圆螺纹(APIRD)
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I.C.
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螺距
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订货号
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L
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X
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Y
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TPI
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右刀
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左刀
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外螺纹
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3/8″
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10
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16ER10 APIRD
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16EL10API RD
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16
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1.1
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1.4
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8
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16ER8 APIRD
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16EL8 APIRD
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1.3
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1.5
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1/2″
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10
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22ER10 APIRD
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22EL10 APIRD
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22
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1.5
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1.7
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8
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22ER8 API RD
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22EL8 APIRD
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2.2
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2.3
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内螺纹
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3/8″
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10
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16NR10 API RD
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16NL10 APIRD
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16
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1.1
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1.4
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8
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16NR8 APIRD
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16NL8 APIRD
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1.3
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1.5
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1/2″
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10
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22NR10 APIRD
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22NL10 APIRD
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22
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1.5
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1.7
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8
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22NR8 APIRD
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22NL8 APIRD
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2.2
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2.3
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