The Models 250A, and 252 have a capacity of 3/32" to 2" diameter.

The Model 250A has a 2:1 ratio only. All models use hardened cams and the cam change takes only 5 seconds. When no cam is in place, the workhead can be used to spin grind or index grind (12 positions). The Model 250A incorporates a wide capacity and versatility in an affordable package. The innovative design of the Model 250A allows for the grinding of almost any drill geometry, and most are completed in a single chucking. The versatility also extends to taps, reamers, countersinks and end mills. Many of these tools can be ground with very little change in set-up. The Model 250A is available in manual, semi-automatic and automatic in-feed version.