Wiha 28506 TorqueVario-S Torque Screwdriver, 10–50 Inch-Pounds, 5,000 Accuracy Cycles — Drivers & Sets product photo
Wiha 28506 TorqueVario-S Torque Screwdriver, 10–50 Inch-Pounds, 5,000 Accuracy Cycles — additional product viewWiha 28506 TorqueVario-S Torque Screwdriver, 10–50 Inch-Pounds, 5,000 Accuracy Cycles — additional product view
Drivers & Sets

Wiha 28506 TorqueVario-S Torque Screwdriver, 10–50 Inch-Pounds, 5,000 Accuracy Cycles

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The Wiha 28506 TorqueVario-S Torque Screwdriver is a precision adjustable torque screwdriver covering a range of 10 to 50 inch-pounds, designed for applications that require consistent and repeatable fastening torque on sensitive or critical threaded fasteners. The tool features a clearly readable scale for setting the desired torque value, and an internal clutch mechanism that produces an audible and tactile click when the preset torque is reached, signaling the user to stop applying force so the fastener is neither under- nor over-tightened. The TorqueVario-S is rated for 5,000 accuracy cycles before recalibration is recommended, making it suitable for production, maintenance, electronics, and assembly environments where torque control protects components such as terminal blocks, circuit board standoffs, and delicate housings. The ergonomic handle provides a comfortable, controlled grip that helps the user apply smooth, even pressure, and the driver accepts standard interchangeable bits so a single tool can cover a range of fastener drives. This model is well suited for technicians, assemblers, and service personnel who need a reliable, calibrated torque screwdriver for low-to-moderate torque fastening work. Brand: Wiha; Model: 28506; Torque Range: 10–50 in-lbs; Accuracy Cycles: 5,000; Mechanism: adjustable torque with audible/tactile click clutch; Bit Acceptance: standard interchangeable bits; ASIN: B002QV0FCY.

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Choosing Drivers & Sets

Screwdriver or bit driver — which should I buy?

A dedicated screwdriver with a fixed tip gives better feel and torque control for one fastener type. A bit driver or set covers many recess types in one handle and is more versatile for mixed work. For repetitive driving, a ratcheting driver reduces hand fatigue.