Insulated Wrenches/Screwdrivers Offer Precise Calibration


Torque wrenches and screwdrivers with double-insulation technology are designed for installation applications where a tightening torque is indicated as a numeric value on the equipment or in the installation instructions provided by equipment manufacturers.


An audible “click” or a few degrees of rotation provide a simple, fast indication of micrometer-accurate torque settings. The wrenches feature a low-friction torque control mechanism to produce accurate readings in either direction. Unlike in most conventional torque wrenches with a single calibration adjustment, two calibration adjustments permit easy and precise torque settings.


The wrenches’ spring-loaded or twist-locking collar keeps the scale on the desired reading and remains in a locked position, making accidental unlocking impossible. Dual-scale wrench models offer readings in inch-pounds and Newton meters or foot-pounds and Newton meters. Additionally, reversible ratchet models feature a quick-shift lever to allow easy, single-handed shifting.


Torque screwdrivers feature a precision micrometer scale calibrated in inch-pounds, with one inch-pound increments. The screwdrivers feature easy-release bit holders, which securely retain bits during operation while permitting easy removal. With an anti-backlash design, the screwdrivers ensure repeatability.

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