You can purchase the DIN 76-1 standard as a PDF document from the German standardization body, DIN Deutsches Institut für Normung e.V., or from other authorized distributors.
After conducting a search, I found that "DIN 76-1 PDF" likely refers to a German standard (DIN) related to thread run-outs and run-in lengths for threaded parts. din 76-1 pdf
The standard DIN 76-1, published in April 2016, specifies the thread run-outs and run-in lengths for threaded parts, including bolts, screws, and nuts. The standard provides guidelines for the dimensions and tolerances of thread run-outs and run-in lengths to ensure proper assembly and functionality of threaded connections. You can purchase the DIN 76-1 standard as
A very specific request!
Here's what I could gather: