Acrylic or acrylate is available in two types.
Drilling through acrylic sheet.
Diamond drill bits are a perfect choice for drilling through your plexiglass no matter its thickness.
The extruded type is in fact unsuitable for drilling.
With a 0 degree rake and 60 degree points these bits will come in handy in enabling you to drill multiple layers.
The special tip design carves through the plastic not for use with wood or metal.
These bits contain diamond dust coatings which ensure the cutting edges are sharp.
Place your plexiglass sheet on top of a piece of scrap plexiglass one that is already ruined or a piece of medium density fiberboard mdf this will make it less likely that you will chip the back of the board or scratch it when the drill bit goes through.
Here is a video on how to properly drill through acrylic plexiglass.
It takes a special drill bit to properly drill through plexiglas lucite acrylite or perspex acrylic sheet.
If you just drill a pilot hole the.
Cast and extruded acrylic.
Drill through the acrylic sheet and into the 3 8 inch plywood.
Before you drill the acrylic sheet make sure you place a wooden block or sheet underneath to stop the bit breaking through the bottom of.
How to drill through acrylic plexiglass the right and wrong way.
Plexiglass lexan plastic drill bits these are the bits you need for drilling plexiglass lexan polycarbonate petg and other clear plastics.
Because of the internal stresses it will quickly crack or break.
The best drill bits for this job are titanium coated and will remain shorp through this and many more jobs.
Reverse the direction of the drill motor to remove the drill bit from the acrylic sheet.
Drilling acrylic is not difficult if you have good tools and are drilling the right kind of acrylic sheet.
For example to drill a 1 2 inch hole you can make a pilot hole by beginning with a 1 4 bit drill and then moving to a 1 2 bit drill.
While you are drilling through the plexiglass sheet the friction would produce intense heat and the bits would cause lots of plastic shavings around the hole especially if the sheet is thick.
Step 7 release the self locking pliers remove the 1x4 inch plank from the top of the acrylic sheet and exchange the drill bit for the countersink bit.