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Wiha 28404 Adjustable TorqueVario Handle
The Wiha 28404 Adjustable TorqueVario Handle offers precision torque control for critical assembly, installation, and repair tasks. Equipped with a 4mm bit adapter and an integrated direct-reading window scale, this handle delivers consistent and accurate torque application ranging from 5 to 18 in-lbs.
An audible and perceptible click reliably alerts the user when the desired torque limit is reached, protecting sensitive components and connectors from over-tightening. The included adjustment tool ensures that the torque value cannot be altered unintentionally during operation, while the ergonomic SoftFinish® grip minimizes technician fatigue during repetitive field use.
Key Features
- Torque Range: 5 to 18 in-lbs with a direct-reading window scale to eliminate false readings
- Bit Interface: 4mm micro bit adapter included
- Tactile Feedback: Audible and perceptible click upon reaching set torque
- Tamper-Resistant Adjustment: Requires the included tool to change settings, preventing accidental adjustments in the field
- Ergonomics: Wiha SoftFinish® grip for maximum comfort, grip, and control
- Reliable Accuracy: Guaranteed accuracy up to 5,000 cycles or 1 year of use
Technical Specifications
| Torque Range | 5 - 18 in-lbs |
| Drive/Adapter | 4mm |
| Standards Compliance | ASME B107.14m, EN ISO 6789, BS EN 26789 |
| Package Contents | TorqueVario handle, 4mm bit adapter, adjustment tool, calibration certificate, operating instructions, hard plastic tube |
Frequently Asked Questions
Q: How do I change the torque setting on the Wiha 28404?
A: The torque setting is adjusted specifically using the included adjustment tool. This secure design ensures the target torque value cannot be accidentally altered while working.
Q: What size bits does this torque handle support?
A: The handle comes equipped with a 4mm bit adapter, making it completely compatible with standard 4mm precision hex, torx, and specialty bits.