Flutes: a spiral channel that runs from the cutting lip to the shank. It helps to remove the material as it’s cut from the hole.

In this section, we’ve reviewed the 6 best drill bits for plastic for sale right now, including drill bit sets. Cobalt: an incredibly strong alloy metal used to drill through tough materials. It can withstand heat and resistance and is the best drill bit for stainless steel. Each drill bit is designed for different purposes. For example, drill bits for concrete are not the same as those for plastics.

About the author

For more information we suggest reading on, as there are some significant differences with these drill bits and particular points when you should and shouldn’t be using them. Drill bit for plastic deep dive However, if you’re often working with acrylics or other types of plastic, going for a set is a great idea. If you’re just looking to punch some holes in a plastic lid, then going for a single 3/16″ drill bit will do you fine. READ NEXT: Best stud finder The best drill bits you can buy in 2023 1. Bosch 50-Piece X-Line Titanium Drill and Screwdriver Bit Set: Best drill bit set It’s also considered best practice to use a lubricant when drilling for deeper holes. The lubricant aids in the removal of debris and dissipation of heat. Throughout the drilling process, you should keep a watchful eye on the area around the hole you’re making. In the event that you observe plastic shavings gumming up, you should immediately stop drilling, let plastic cool, clear out the hole, and then resume drilling.

These are some of the only drill bits you can buy right now that are designed specifically for use on plastics, including hard plastics such as acrylic. Most brown wall plugs are 7mm in diameter, so to drill a hole for a brown plug, you will need a 7mm drill bit. Hex shank - A hexagonal-shaped shank used in screw guns or electric screwdrivers with a hammer mode. Finally, you also need to bear in mind that plastic materials undergo expansions and contractions with fluctuations in temperature. So, you want to make sure that your drilled hole is slightly larger than required. Doing so will allow screws placed in those holes to move freely without exerting unnecessary stress on the plastic material. How Do You Drill a Hole in Plastic Without a Drill? We wouldn’t recommend drill bits you’ve bought for plastic be used on wood or masonry, or vice versa.A HSS drill bit is made from high-speed steel, as described in the materials section above. It’s often used in multi-purpose drill bits as it can be used on wood, plastic and metal. HSS drill bits are also the best drill bits for soft metals. Grey wall plugs can vary in diameter (6-14mm). So, to drill a hole for a grey wall plug, you will need a drill bit that’s the same diameter as the plug you choose. Once you know what drill bit you should use for your project, it’s not difficult to work with plastic. You may notice the difference between a cheap and expensive drill bit, but the most important thing is to use the right drill for the job. This might come as a surprise to you, but plastics are, in fact, drillable. However, one needs to adhere to a strict set of protocols when attempting to drill a hole through plastic materials.