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High torque


Hand tool manufacturer Hilti has launched two 15.6 V cordless drill/drivers ? the SF151-A and the hammer-action SFH151A ? that it says have the highest torque and speed in their class. Designed for applications including driving large-diameter wood screws, hammer-drilling in bricks and blocks and high-speed drilling in sheet metal, both products are available with NiCD and NiMH batteries.