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                美国NPSM螺纹规
                  
                  NPSM螺纹规、NPSF螺纹规、NPSN螺纹规均为美标直螺纹√,我司代理销售美国原装进口NPSM螺纹规,此类螺纹规分为通规与止规(GO/NOT GO),与常见的美标NPT螺纹规、NPTF锥度螺〗纹规是有区别的,NPT系列螺纹规主要用于检测螺纹规的旋合尺寸,而NPSM螺纹规直接是通与止,更易于检测和直观读ぷ值。

                THREADS PER INCH

                PITCH DIAMETER

                RING (N.P.S.M. 2A)

                WORK PLUG (N.P.S.M. 2B)

                MIN.

                MAX.

                GO MEMBER

                NOT GO MEMBER

                GO MEMBER

                NOT GO MEMBER

                1/8"-27

                0.3725

                0.3689

                W012527NMGK

                R0125272NMGK

                1/4"18

                0.4903

                0.4859

                W025018NMGK

                R0250182NMGK

                3/8"18

                0.6256

                0.6211

                W037518NMGK

                R0375182NMGK

                1/2"14

                0.7769

                0.7718

                W050014NMGK

                R0500142NMGK

                3/4"14

                0.9873

                0.982

                W075014NMGK

                R0750142NMGK

                1"-11-1/2

                1.2369

                1.2311

                W100099NMGK

                R1000992NMGK

                1-1/4"-11-1/2

                1.5816

                1.5756

                W125099NMGK

                R1250992NMGK

                1-1/2"-11-1/2

                1.8205

                1.8144

                W150099NMGK

                R1500992NMGK

                2"-11-1/2

                2.2944

                2.2882

                W200099NMGK

                R2000992NMGK

                2-1/2-"8

                2.76

                2.7526

                W250008NMGK

                R2500082NMGK

                3"-8

                3.3862

                3.3786

                W300008NMGK

                R3000082NMGK

                     N.P.S.F. – National Pipe Straight Fuel 

                    N.P.S.M. – National Straight Mechanical are available in stock and ready to ship to you. NPSC, NSPL, NPSH and many other Pipe Thread Gages are available as well as special sizes。

                    苏州斯文克精密测量设备有限公司代理销售各类进口量规,包括threadcheck量规、API石油螺纹规、cameron ball球规等,欢迎前来选购。

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