![]() Much more finesse than an angle grinder, and faster than a hacksaw. Use them for cutting small metal stock or parts. The cutting wheels are almost always the reason I take my Dremel out of the case. ![]() Here are some of the accessories and a description of where and how you might use them. I would suggest it is far cheaper to purchase a kit with an assortment of accessories, rather than purchasing them individually. The benefit of a Dremel multi tool is similar to an angle grinder – dozens of accessories to extend it use. You can buy the smaller collets separately. If you screw down the collet nut and the cutting bit shank is loose, then you need a smaller collet. Most of the accessories are nominally 1/8” diameter, however I have a smaller collet and some accessories in 3/32” diameter. My version of the tool has a shaft lock (the silver button on the side of the black body), and an included wrench that tightens the collet nut. This allows you to use tools with various shank sizes. ![]() When you screw the collet nut down it squeezes the collet which grips the tool shank. At the tiny scale of Dremel accessories, the tool needs to be spinning very fast to achieve the optimum cutting velocity. Most cutting or grinding tools work best at a particular speed range (measured in metres per minute, or some similar velocity measurement). Dremel’s website does however advise slower speeds for cutting and grinding metals, and slower again for plastics. Frankly, I have never run my Dremel at anything less than full speed, so a single speed model would probably be adequate. This particular model Dremel has a variable speed motor with a spindle and a small chuck at the end. I’m always using it in my shop, so I stick with a mains-powered version. I keep buying the Dremel brand, only because I know they will take a beating. The earlier two eventually quit working, but they lasted me a long time, and, honestly, they were probably abused. This is the third one that I’ve owned in around 15 years. The combination of high-speed and specific accessories to cut, grind, sand, carve, brush and polish (have I missed any?) makes the multi tool very useful.Īs with any cutting tool, the general concept is a harder material can be used to cut or grind a softer material. This tool is simply a high-speed motor with a small chuck at the end to grip the shanks of various accessories.
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