Dental alloy grinders are necessary in a dental lab for sprue separating and finishing and polishing chrome alloy frameworks. Some important features to look for in a dental alloy grinder include a safety shield, efficient work area lighting, and variable speed control. Most dental alloy grinders empower around ΒΌ horsepower and max out at about 25,000 rpm. They will usually have two variable speeds. Some dental alloy grinders have attached fully enclosed dust collectors, however, others are sold with only the suction attachment, so be sure to determine if a separate dust collector needs to be purchased. A variety of dental burs and attachments fit the spindles of these grinders. Engagement of these burs should be quick and simple to aid ease of use. A dental alloy grinder should include a warranty. Be sure to inquire about service options.