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Wiha 28408 TorqueVario-S Adjustable Torque Screwdriver
The Wiha 28408 TorqueVario-S is a precision adjustable torque screwdriver engineered for rigorous assembly and repair tasks where exact torque application is critical. Offering a highly reliable torque range of 18 to 62 in-lbs in 2 in-lb increments, it ensures fastening precision within an accuracy tolerance of ±6%. The driver provides both an audible and perceptible click signal when the specified torque setting is achieved, preventing over-tightening and component damage.
Key Engineering Features
- Adjustable Torque Range: 18 to 62 in-lbs, adjusted in 2 in-lb increments.
- Precision Accuracy: Guaranteed ±6% torque accuracy up to 5,000 cycles.
- Integrated Window Scale: Clear, direct numerical torque value display eliminates false readings.
- Tamper-Resistant Setting: Torque value requires the included adjustment tool to alter, preventing accidental in-field changes.
- Automatic Reset: Mechanism resets automatically for the next torque cycle without manual intervention.
- Ergonomic Handle: Multi-component SoftFinish handle provides optimal power transfer and user comfort.
- Compliance: RoHS compliant design.
Package Contents
- Wiha 28408 TorqueVario-S Handle
- TorqueControl Adapter Blade (for 4mm bits)
- Torque Adjustment Tool
- Factory Calibration Certificate
Frequently Asked Questions
Q: How do I change the torque setting on the Wiha 28408?
A: The torque is set using the included dedicated torque adjustment tool. This recessed design prevents operators from accidentally altering the torque limit by twisting the handle during normal use.
Q: What type of bits does this screwdriver accept?
A: The kit includes a TorqueControl adapter blade specifically designed to accept standard 4mm precision bits.