The American Petroleum Institute’s (API) new 5B 16th Ed. Specification for Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe threads has been published. Some new required element inspections:
Addendum
Buttress Tooth Thickness/Groove Width
Crest Diameter & Ovality with New Setting Standards Requirements
Form & Angle
China made internal API 5B thread (LP thread/CSG thread/BCSG thread/UPTBG thread) ,taper gage,lead gage,pitch diameter gage,height gage,function diameter gages, more information ,please contact with us ,https://www.swttool.com
These Chinese made Brinell Hardness Test Blocks are calibrated to ASTM E-10 specifications available in all load and ball diameter combinations in an ISO 17025 accredited laboratory.
Sowant Precision gage offers replacement parts and accessories including replacement arms, extension rods, adjustment caps and indicator caps for the Gagemaker PD 6000 Series. Gagemaker PD 6000 series gages measure the pitch diameter of internal threads. Pitch diameter is the most important characteristic on a thread because it reflects the widest spectrum of possible defects.
McCord and Company manufactures the patented Cameron Ball Gage, a precision tool for measuring tapers, acute and obtuse angles - highly simplified but accurate. Easily find the diameter of any product, especially ring and gasket grooves.Precision ground, chrome plated, heat hardened for long service.