![]() ![]() Yes – but not as much as you might expect. Does the material I’m countersinking matter? If using just a countersink and not a countersink bit, you’ll need to do the second step in two parts, by drilling a pilot hole before creating your countersink. The fact that you have to make this change each time is why quick-change hex shanks are so popular with countersink bits. Then, simply drill down into your wood, until the countersink reaches the desired point, or you hit your depth stop.Īfter that, you can change out your bit and insert the screw. The first thing you will want to do get the bit length correct, by adjusting the position of the countersink. However, some people don’t like the shape of hole tapered bits make – it’s easier to ensure the right hole size with a regular non-tapered drill bit, especially if this is what you’re used to drilling pilot holes with. In general, tapered bits can help to drill faster, make it easier to start your hole, and help to ensure a stronger join when you insert your screw. If buying a combination countersink bit that also includes a drill bit for your pilot holes, you also need to consider the shape of the drill bit. If buying a combination countersink bit, look at the number and match it up to the screws you’ll be using. This way, you’ll be able to ensure a tight fit when you insert the screw. If buying an all-in-one, you want to have the diameter of the pilot hole you drill a little smaller than the screw. You can technically make smaller countersinks by just drilling a little more shallow, but it’s better to have a bit that’s the right size, especially if counterboring. Having the right angle will determine whether or not your screw head sits flush with your countersink. There are three aspects to consider when looking at countersink bit sizing. How do I know what size countersink bit to get? But if a bit costs next to nothing, chances are the manufacturer hasn’t spent much time thinking about how to make a given drill bit durable. This doesn’t mean that all cheap bits are bad.
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