2mm Slot cutter Bit for Knock on furniture T Trim Router Campervan Motorhome

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CNC stands for Computer Numerical Control. Our CNC router bits are compatible with computer-controlled routers. CNC routers are particularly versatile as they can perform the tasks of the boring machine, the spindle motor, and the panel saw. When using a CNC router, you’ll require a smaller shank of 3mm (1/8”) or under. Router bits of this size can’t be used in conjunction with fixed or standard overhead routers. Overall Length First up is the shank diameter, which is measured across the centre of the bit’s shank from any point on the circumference. This is one of the most important aspects to consider when selecting your chosen router bit, and two of the most common sizes you’ll encounter on handheld routers are ½-inch and ¼-inch spiral up-cut router bits. Detailed below are some of the other common shank diameters available in the UK.

Straight router bits are fairly self-explanatory. They are used to cut straight into a material to create a groove or hollow out a section. Up/Down Compression Router Bits Down cut bits require a slower feed rate, meaning more time is allowed for the removal of chips. This also results in them being cut into smaller pieces that fall from the slot. Because of this, though, the user needs to be mindful of the bit overheating, which can lead to breakage. This is down to the build-up of chips being combined with a deep cut. Up Cut Router Bits shank router bits are one of the most popular European sizes; however, they’ve recently been introduced in the UK for use in smaller medium-duty routers. This is because they’re needed for cutting larger diameters safely – when using an 8mm shank, extra care needs to be taken. For instance, a suitable collet must be fitted, and all manufacturer’s recommendations need to be met regarding the depth of cut and cutting speed. 12mm Router Bit (1/2” Shank Router Bits Approx.) As previously mentioned, ¼” router bits are one of the most common shank diameters in Britain. This is because the majority of light-duty routers are supplied with ¼” collets. ½” Router BitsWhen it comes to finding router bits in the UK, you’re often presented with a lot of jargon and measurements that may not make immediate sense. It’s not just the endless names (engraving router bits, straight flute router bits, router milling bits, spiral router bits, etc.), but it’s also the seemingly never-ending measurements. Even as a tradesperson, navigating the world of router cutters in the UK is by no means straightforward. It’s for this reason that we’ve put together this handy blog to help you sift through the almost unending selection of router bits to find the best one for your project. Discover more below. Shank Diameter bits are approximately a quarter of an inch; however, they are measured under European sizes, meaning the metric system is used. Most 6mm shank router cutters will not fit in a ¼” collet on handheld routers. 8mm Router Bits (5/16” Shank Approx.)

One important thing to take note of is that if you do use the spiral router bits on a router table, then the downcut bit will actually push material towards your workpiece, sometimes raising the workpiece off the table. It will still make a clean edged cut, but it is important to use a good downward feather board system to prevent the workpiece lifting. Take light passes when using it on a router table.As with straight router bits, engraving/carving router bits are self-explanatory. They are used for engraving and craving purposes, meaning they don’t fashion deep cuts. Router tools boast versatility with the possibility of being attached to a router table or handheld. Essentially, they are comprised of a rotating blade driven by a motor and a flat base. Whichever material is being dealt with, router bits are essential to achieving the desired appearance. Down Cut Router Bits After the shank diameter, you need to consider the overall length of the router bit. This is measured from the top of the shank to the bottom of the cutting edges or guide. Cutting Diameter After 8mm bits, a router bit of 12mm is the most popular European size. 3mm Router Bits (1/8” Shank Router Bits and Under)