3M (www.mmm.com),announced in early April that it agreed to acquire General Industrial Diamond Company Inc. (www.gidco.com), a manufacturer of superabrasive grinding wheels, dressing tools and machines used to dimension and finish hard-togrind materials in industrial and commercial markets. Terms of the transaction were not disclosed.

3M will manage the acquired business through its 3M Abrasive Systems Division.

"Adding General Industrial Diamond's bonded superabrasives enhances our existing product line and enables 3M to deliver cost reduction to our customers through manufacturing process improvements," Rosa Miller, division vice president for 3M Abrasive Systems, said in a prepared release.