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Laser Cut Holes


Table of diameter of bolt holes for use with the Lasercamm:

 Bolt Tapped Hole Diameter (in)
 Clearance Hole Diameter (in)
 
4-40


 0.076 in.
 0.115 in.
 
6-32


 0.093 in.

 0.141 in.
 
8-32


 0.123 in.

 0.167 in.
 
10-32


 0.146 in.

 0.192 in.


Shaft Size
 Press Fit
 Sliding Fit
 

1/4 '' shaft
 
0.230

then use 0.249 reamer


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.
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