Appendix b recommended fastener torques 28 appendix c bolt standard inch unit thread specification examples .4375 fig. 6 common callout symbols
Tables are 8 threads per inch, commonly shoulder torques for buttress are referenced in practices for round and buttress thread casing, sizes 16”,
16 tenaris ms28 xt/xctm 24 tenaris ertm. torque tables 3 are calculated based upon the use of api modified thread compound (torque factor=1).