Hole sizes for the machine making the part

Hole sizes for screws, nuts and bearings

Clearance holes, tap drills, printed holes, heat-set pockets and bearing housing fits for 69 sizes - 29 metric screws, 31 imperial screws and 9 bearings - hex nut pockets on M1.6–M6. Every size is listed in the charts below.

Charts

Guides

Data

These are standard reference numbers. Every machine prints and cuts a little differently - set a hole to Ø5.00 and it might land at Ø4.95. In the FitCheck app you calibrate your machine, and the clearance and pocket diameters here shift to match it - plus tolerance bands and full offline use.
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Metric and imperial clearances follow published mechanical-engineering references · heat-set pockets per CNC Kitchen · bearing housing seats follow published fit tables. Reference only - verify before you cut.