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eBay£55.19Visit shop Wera 7450 Kraftform Adjustable Torque Screwdriver 0.10 - 0.34 Nm
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The Wera 7430 Kraftform Adjustable Torque Screwdriver is a precision-engineered tool designed for professionals and hobbyists working with sensitive electronics and fine mechanics where over-tightening could cause irreversible damage. It offers exceptional accuracy within a delicate range of 0.10 to 0.34 Nm, featuring Wera’s signature ergonomic handle for comfort. A primary caveat for potential users is its highly specialized low-torque range, which makes it unsuitable for heavy-duty automotive or construction applications that require higher torque settings.
| Model Part Number | 05074770001 |
|---|---|
| Brand | Wera |
Yes, the tool features an unlimited loosening torque function, allowing you to use it as a standard screwdriver to remove seized fasteners without engaging the torque mechanism.
No, it is compatible with all standard 1/4 inch hexagon head bits that follow DIN ISO 1173-C 6.3 and E 6.3 standards.
The torque is adjusted by turning the end cap of the handle until the desired value aligns with the numerical scale visible on the body.
The standard 7430 model is not explicitly labeled as ESD-safe. If your application specifically requires Electrostatic Discharge protection, please look for Wera's ESD-designated models.
The screwdriver maintains an accuracy of ±6% as per the DIN EN ISO 6789 standard.
Once the preset torque is reached, the mechanism slips or clicks. You should stop turning immediately upon hearing or feeling this signal to prevent over-tightening.
Verify the torque value is set within the 0.10-0.34 Nm range and ensure you are turning the fastener smoothly without jerkiness.
Ensure the bit is correctly seated in the Rapidaptor quick-release chuck and that you are using a standard 1/4 inch hex bit.
Ensure the lighting is sufficient and that the adjustment collar is properly aligned; clean the handle with a dry cloth to remove debris.
To begin using the tool, simply turn the end of the handle to align the indicator with your desired torque value on the scale; no additional tools are required. The driver is compatible with standard 1/4 inch hex bits (C 6.3 and E 6.3). To maintain the ±6% accuracy, store the screwdriver in a clean, dry environment and avoid dropping the tool, as impact can affect the internal calibration. If used in a professional setting, it is recommended to periodically verify the calibration against a certified torque tester to ensure continued compliance with ISO standards.
