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In this guide, we take a look at the best drill bits for plastic and share some tips on how to get the cleanest, smoothest holes when drilling this material. Which Drill Bits to Use on Plastic
It’s easy to spend plenty of time researching for your next drill, but it’s just as important to find the very best drill bits for your project. That’s because when it comes to drill bits, all things are most certainly not equal. Have a plastic pot that doesn’t drain water? It’s an easy fix! Here’s how to drill holes in a plastic pot for drainage! To ensure effective drilling into plastic, the most important thing is that the tip remains sharp. If the tip of your bit becomes dull over time, it will be much more likely to make a rough/jagged entry into the material you’re looking to drill.
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A lot of plastic pots have these built-in drip trays at the bottom. This is great and can help to prevent root rot, but it’s not as good as a drainage hole.
You can technically use traditional masonry bits or wood bits for drilling through plastic, with the right technique. However, these types of bits often leave a sharp edge and a poor-quality finish when drilling through plastic, because they’re designed to bite into the material. Unlike very hard materials such as masonry or metal, plastic varies in hardness. Softer plastics are easier to drill but even acrylics can be drilled if you use the right bit and drill carefully. While you will need specialised, extra-strong bits for other materials, you can use multi-purpose bits for drilling plastic. Always make sure that you choose high-quality bits, however. Cheap, poor quality twist bits will damage the edges of your holes. You can also use standard HSS bits, which also deliver smoother, more precise results. Multi-purpose bitsThere are many good brands of drill bits for plastic. But it’s essential to know the factors you should look for before having it. Whether you’re a beginner or experienced in the art of drilling, there are some considerations when choosing your drill bit. Should I Think About The Material?
The larger the hole you are drilling, the slower you will need to drill. If you drill too fast, the plastic will melt. You will need to go especially slowly as the bit exits the plastic. It is a good idea to clamp the plastic to a hard surface before you start. You can do this by adding a piece of plywood below the plastic. This will prevent the plastic from being chipped as you reach the bottom of the surface. Another versatile bit that can be used for a variety of projects is the Standard HSS bit . HSS or High-Speed Steel bits are tough, affordable and easy to use. They are ideal for home DIY and light drilling. Look for bits for a good performance rating to ensure that they will last. How to Drill Through PlasticIf you are using a twist drill bit, I suggest starting with a smaller size, and then slowly working up to a drill bit the size of your final desired hole. In this section, we’ve reviewed the 6 best drill bits for plastic for sale right now, including drill bit sets. This process works the same on any kind of pot, you’ll just want a drill bit that will easily drill through each material! Pot type A set of multi-purpose bits in various sizes will always come in handy. For plastics, these bits are versatile and easy to use. When choosing your bits, look for precision ground bits. These bits are tough, making them ideal for a variety of materials, including softer plastics and acrylic. Standard HSS bits When drilling smaller objects, it’s important to clamp them down properly, because often the drill bit will try to “grab” the material, making it difficult to hold onto. However, if you have Brad point bits, the amount of grabbing should be greatly reduced.
Toughness is paramount when drilling into metal because the heat generated can easily spell the end for cheap drill bits. Not so here, as this set from Draper sees the HSS straight shank bits coated with long-testing and tough titanium nitride. They’re likely to last longer, and they will not get lost as they come in a soft-grip plastic case which is clearly labelled, making finding bits and returning them to their correct slot a simple task. It’s also finished in Draper’s trademark blue, making it easier to spot at the bottom of a tool bag.If you have a very hard plastic pot, you will need a diamond drill bit to drill through it. These are also sometimes labeled as masonry drill bits. If you plan to keep your pot indoors, add a drop tray underneath to avoid extra water dripping out onto your tabletop. Types of drill bits for each type of pot:
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