Mt. Prospect, Ill.-based Bosch Tools produces a line of dust shroud/dust extraction attachments for its concrete cutting and grinding tools that are designed to connect to its own Airsweep and other wet/dry vacuum systems. The Model 18DC-6E Dust Extraction Guard fits all Bosch 6-in. angle grinders, and the Model 18DC-5 fits angle grinders with 4-, 4½- and 5-in. wheels. Similarly, dust extraction attachments are available to fit Bosch surface grinders: Model 18SG-7 for 7-in. grinders and Model 18SG-5 for those with 4- to 5-in. wheels. These attachments include removable nose pieces that allow flush surfacing. Online prices range from about $45 to $115, depending on the size and type of attachment.
Bosch also offers dust extraction accessories for some of its rotary hammers and hammer drills, including its newest ½-in. two-speed Hammer Drill Model HD19-2D with an 8½-amp motor. Its two-mode selector converts the tool from hammer drill mode to rotation-only mode. The standard detachable dust collection unit has a microfilter system. The HD19-2D with carrying case lists for $387, and can be purchased online for about $130. www.boschtools.com