Low head in hole wizard?

Hello;

    I trying to put a counter bored hole in a plate, which is for a 1/2-13 low head s.h.c.s. Being new to the softeware, i see u select the screw your creating the hole for, but i don't see the ability to select for a low hd screw.

     Thanks for any help in advance;

                   rob_d

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