overlays Archives | Gagemaker

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5B Update: Angle & Form

API 5B 5.6 ANGLE & THREAD FORM MEASUREMENT Per API 5B 5.6.2, thread form and angles “shall be assessed with an Optical Comparator/Profile Projector[…]” Further, 5.6.4 requires “comparing the thread profile image with that of a toleranced overlay.” Mitutoyo Optical Comparator and Gagemaker Overlay For all 5B threads listed under section 4.9, measuring form and angle are now mandated. […]

Thread Form Profiles

Thread form accuracy is important if two connections are to make-up properly. Using a Thread Profile Gage is a quick way to check your threads for proper form and pitch. Thread form is defined as its profile in an axial plane for a length of one pitch. Simply place the correct form into the threads and by […]