Table of diameter of bolt holes for use with the Lasercamm:
Shaft Size
1/4 '' shaft
Press Fit
0.230
then use 0.249 reamer
Sliding Fit
0.230
then use 0.251 reamer
*Note: Taps are used to make threads in the acrylic for the bolts. ** Clearance holes are larger than the bolt.
The thickness of the laser beam is about .012", and therefore the final dimensions of your part will be slightly smaller and holes a bit larger.
Fastener Dimension Table (inch size fasteners)
For more information about fits and tolerances see Ames Website.