It is possible to drill acrylic with regular metal drill bits.
Drilling holes in acrylic sheets.
Before you start drilling you ought to place a barrier below the plexiglass.
Ensure you go slow stop often to cool the drill and always support the sheet.
However the likelihood of melting chipping cracking or breaking the acrylic is much higher.
If this is not the case the drill is too slow.
The cutter bit must also be modified to accommodate the material properties of acrylic.
This barrier will help avoid cracking of the sheet when drilling the final hole.
The chip should break off immediately.
This barrier may be a piece of wood that you would not mind drilling into.
Drilling large holes to drill a hole in acrylite sheet greater than 1 25 4 mm a circle cutter may be used.
Drilling holes in acrylic requires the use of a drill bit specially designed for use with plastics.
The tip must scrape the acrylic not gouge it.
Drilling holes in acrylic sheet place the drill perpendicular to the acrylic sheet and set the drill to medium speed immediately.