Kenat, The piece I have from the customer has a c'bore of +.015 from the max of the screw head. I am planning on producing it to that number. I just like to have actual spec. call outs for my reference, and for final inspection reports. I will make note of it to them, and have a first article...
I would like to thank all that have answered so far. Let me clarify my question a bit further. I have an actual print from a customer and it denotes the hole as: 300 series c'bore for a #4 capscrew. This may not help gather any more information but I thought I would clear up the fact that I am...
I am looking for the spec sheet that calls out counterbores as a series, ie: 300 series cbore for #4 capscrew. I can remember from years ago something about it being .015 over the max of the head diameter. Is this right? Where can I find this actual specification?