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Choosing the correct type of drill for plastic is essential to ensure that your holes are uniformly shaped, clean, and undamaged. Knowing the right way to drill holes in plastic will save you a lot of time and resources.
If I am drilling holes in the bottom of a pot, I go ahead and pop the drainage tray off. It should snap off easily with your fingers. 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. Drilling holes in the bottom of a pot is an easy way to add drainage. If there are holes – assuming they aren’t clogged by anything – there’s no way that your plant will get water logged. The best solution is to add drainage holes to the bottom of your plant. Many pots come with drainage holes in them, but some do not! Why are drainage holes so important? Clamp the plastic tightly to a stable surface and use a spare piece of plywood underneath to support the portion of the plastic you are drilling.The most important thing to remember when drilling into plastic is how brittle the material can be when compared wood, concrete, or aluminum. Most of the drill bits you’re likely to encounter will bear the abbreviation HSS, for high speed steel. It’s a steel, alloyed with a range of other metals, designed to withstand the extreme temperatures generated by drilling through harder materials at high speed, hence the name. But, despite the high breaking strength they exhibit, they’re also brittle and don’t offer much resistance to bending. Which means it’s easy to snap thinner bits with even the most innocuous of impacts. Drainage holes allow excess water to drain on out and will keep your plant and soil from getting soggy. Now we’ll discuss some key things to consider when buying drill bits for plastic. What types of drill bits are best for plastic? They come with a 60-degree tip angle, which makes for a clean entry into both hard and soft plastic. Norseman’s bits are also designed to prevent grabbing or tear-outs, making them especially easy to use for beginners.
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 But it’s definitely worth spending the time and doing your homework because there’s nothing more frustrating than not having the correct size or type of drill bit to hand when you need it, or to find the bits disintegrating right in the middle of a delicate job. It’s also crucial that you use a drill bit designed for plastic, given how difficult it can be to create a clean hole using any other type of bit.As for the actual drilling technique, you want to apply a consistent but firm amount of pressure to the drill, to prevent the bit moving as you drill. The best drill bits for plastic are spur (also known as dowel or Brad point) bits. These bits essentially have a four-point tip, which results in a much neater entry point and a cleaner hole. If you’re drilling a hole for a screw in wood, you will need a drill bit that’s slightly smaller than the screw you’re planning to use so that the screw’s thread will tap into the material. If you’re drilling a hole more than 10mm in diameter, you may be better off with a completely different, more specialist type of drill bit, like a Forstner bit, a spade drill bit, or, for much better holes, a hole saw. What does a metal or plastic drill bit look like? A step drill is a cone-shaped drill with increasing diameters, often known as a stepped drill bit. They are usually made from steel, cobalt, or carbide-tipped. They are used for drilling holes in bronze, cast iron, and steel. They can also be used for softer materials such as aluminum, wood, and plastic. For example, step bits are excellent for drilling holes in plastic or acrylic because they can create smooth-walled and straight hole sidewalls. The resulting hole is clean and free of burrs.
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