I find that when using either band, it is very important to move the rotary tool side-to-side instead of back and forth (i.e. I usually leave ~1mm before I reach the edge of the final shape and switch to the smoother 120-grit band for the final shaping. The rough 60-grit bands remove soft wood very aggressively, and one must be careful not to go too far. These accessories have been truly indispensable. I have since purchased a wood-specific drill bit (non-Dremel), and have found it to perform infinitely better when drilling plywood and solid wood than the 150 ever did.ĭremel 407 sanding drum & mandrel with 408 60-grit & 432 120-grit sanding bands. It is not that the bit is poorly made, but rather that, being a general-purpose bit, it lacks a brad point on its tip, which would have allowed it to dig into the wood and stay on point. Update: As described here, the 150 drill bit snapped while trying to drill through 4mm plywood. If your Dremel tool didn’t come with one, or you need a replacement, you can buy them individually or (and this is probably much more useful) as part of a drill bit kit or a larger 160-piece accessory kit. I’ve been using it mostly for drilling pilot holes that were then enlarged by the 191 cutter, or for marking a line of cut before using cut-off wheels. That said, it has been an essential part of all my projects so far.
It is a very average drill bit, 1/8″ (3.2mm) in diameter, suitable for working with wood and soft metals. The Dremel 150 drill bit is perhaps the least exciting of the accessories. Update: As I’ve written in this post, I have now used this accessory on a clay pot, as a result of which I no longer have a 191 high speed cutter. My most common use for this accessory is to remove material left over between pre-drilled holes when I’m trying to cut out an internal portion of something. The cutter does a good job of chewing through soft woods, though I have yet to use it on anything else.
The bit is the same diameter as the shank – 1/8″ (3.2mm). (Some good info about the different categories of accessories can be found in this blog post from Blue Roof Designs.) My intent is to give more of a real-world perspective and describe how I use the accessories for different projects, how well they work for their intended and unintended uses, and any other tidbits of useful info I’ve come by during my work. The Dremel website provides only dry official info about each. Here you will find a quick reference guide to all the accessories and attachments I have used with my Dremel 4000.
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