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thanks a lot.

the final product will be anodized. so, my question is which process first, anodize or impregnation? thanks.

thanks. we will try.

thanks. know any shop capable?

ARP5935 para 3.6, for type 1, requires Rmr 70 - 90% at C0=5% and C1=.25Rz. our grinder never met 70-90%. do you know any one can do it? what special process? thanks.

btrueblood, do you have Inventor? would you please upload a file so i can see how it works? thanks.

as said, inventor (ours 2014) will not do sweep a solid but only a 2D sketch.

first i posted in solidworks group since there is no inventor group. i was told to post in autocad group. here are the JPG of rendered shape. file1 minics endmill cut, file2 (next thread) just a simple fillet at the corner. without inventor to open ipt file, you may have problem to visualize the...

the second file. http://files.engineering.com/getfile.aspx?folder=5b8d103f-9f69-4276-be11-b280cde1f6f7&file=file_2.ipt

the first Inventor file shows an endmill cutting, but it would be not the right way to model it. (the .25R corner next to the small hole) the second file, used fillet radius, but it does not represent the actual part. how to do it...

thanks for answering my question. no additional marking except 1.000-. chatted with Meyer, they are shop grade, no class.

Pin gauge. if it is marked 1.000-, what the exact diameter it is? no class is etched on it. as I read, (-) means no-go. so it would be smaller than 1.000000". but by how much? thanks.

thanks again. http://files.engineering.com/getfile.aspx?folder=e5ede722-591c-4e75-8d1e-6667b16404bb&file=scan0003.jpg

as i remember the browser would pop up a line to ask if you allow a pop-up. WAS that true? my google chrome was set as pop up not allowed. your suspicion was right. thanks.

thanks KENAT. it is weird. my clicking did nothing (Google Chrome). one interesting thing, "your" page, engagement length on top, my page nut factor on top. i still will go over B1-1, calculate those and compare to "your" page...

of course i would like to have a calculator web page, also like to know the calculation behind. but i am afraid, that page http://www.boltplanet.com/Un/un.asp?txtseries_page=UNS does not calculate the tolerance. thanks to KENAT for helping me.

yes, i did read thread FAQ404-1480, but seems it did not direct me to the tolerance calculation. is my saying posted at 12 Sept 16 13:03, wrong on tol cal ? thanks a lot.

i have machinery handbook, 23rd edition. American Standard Unified Inch Screw Thread Form Data on page 1484 does not give the tolerance. i am afraid. search the treads, one of them "How Do I Specify Unified Thread Form Custom Threads? by KENAT", but B1-1 table 31 thru 40, are for "coarser"...

thanks. but the machinery handbook only lists up to 24 pitch, no finer. if go by ASTM B1-1, table 19, for 1.625, LE, say .125, 56 pitch, the pitch diameter tolerance would be 0.001764 + 0.000530 + 0.001025 = 0.003319 for 2A, and 75% of it, .002489 for 3A. right?

i like to define a custom thread. 1,625 major diameter, and 56 pitch. mil-s-8879 says the pitch diameter tolerance per ASTM B1-1. i could not find it in B1-1. help me to find all the diameters/tolerance, major, pitch, minor, male and female. thanks.