Torque screwdrivers

March 11, 2011

As part of an ongoing torque product line expansion, Stanley Proto has enhanced its torque screwdriver offerings. The launch includes more accurate versions of four existing tools and the introduction of four new torque screwdrivers, which boast more accuracy then current Stanley Proto versions - a total of eight tools. These tools have been specifically requested by Proto customers, especially those in the electronics and aerospace industries. The company’s previous offering included four ¼-inch drive torque screwdrivers – an inch-ounce model and an inch-pound model with an accuracy range of +/- 6 percent of the torque reading, as well as a CERT version of each. By re-engineering these with precision-machined internal components, Proto has improved accuracy to a precise +/- 4 percent of the indicated torque reading. This accuracy level is available in the clockwise direction from 20 to 100 percent of full scale. In addition, the company has introduced four entirely new 1/4-inch drive torque screwdrivers with an impressive +/-2 percent accuracy (in the clockwise direction from 20 to 100 percent of full scale). The two new models also include inch-ounce and inch-pound versions. Torque settings are easily changed via a metal lock ring allowing micrometer-style adjustments. Each Torque Screwdriver has a ¼-inch square drive tip, and ships with a 1/4-inch square to 1/4-inch hex adapter for use with insert bits. It comes in a blow molded plastic box for protection and easy storage. For more information call (800) 800-TOOL, or visit  


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