How To Drill Acrylic Sheet Without Cracking

Insert an acrylic point drill bit into the chuck of the drill and set it to a medium speed.

How to drill acrylic sheet without cracking. Buy a plexiglass drill or plexiglass drill bits that can be used with a regular drill. Acrylic chips can easily fly off during drilling and be a health hazard. Clamp or hold down the acrylic while you drill the hole. Place the 1x4 inch piece of wood across the acrylic sheet and secure the plank to the top of the acrylic sheet.

How to drill an acrylic sheet step 1. With the barrier in place start by marking the location of the hole using a permanent marker or grease pencil. Practice with smaller pieces of scrap acrylic before attempting to drill. Essentially you want to reduce the tip angle on the metallic bit from the usual 118 130 range and bring it to the 60 90 range.

First you need to drill a small diameter pilot hole to get started. Here is a video on how to properly drill through acrylic plexigl. Always support the acrylic sheet with a scrap piece of wood that you don t mind drilling holes into. These bits have a different.

Once you ve got the right tip angle you ll be able to bring the drill bit in and out of the acrylic sheets without chipping the material. This barrier will help avoid cracking of the sheet when drilling the final hole. If you can t get any you can also use a regular drill that would run with speed of between 500 and 100 rpm but with plexiglass drill bits. Put on your safety.

Drill bits for drilling plastic acrylic plexiglas perspex laminate smooth clean no cracking. Lay the 3 8 inch plywood on a firm flat surface that allows you to work easily and place the acrylic sheet on. Using the regular drill bits that you use for metal and wood would chip the edges and crack the plexiglass while you drill but there are specific drills designed for plexiglasses you should rather get one. The plexiglass drill bits have geometric structures different from the traditional drill bits that allow them to puncture easily through the acrylic.