FG Preset Torque Screwdrivers

Engineered and assembled in the Silicon Valley, the Mountz FG line of preset precision torque screwdrivers are the most advanced hand tools in the world.

With FG, you can Proceed with Confidence.

  • Preset precision hand torque screwdrivers from .8 lbf.in – 125 lbf.in (9 cN.m – 14.1 N.m)
  • Smooth cam-over poka-yoke function prevents over-torque and delivers the highest level of performance available
  • Sleek and ergonomic design provides unmatched comfort
  • Calibration cycles 4X longer than the most stringent industry standard (ISO 6789)
  • Industry leading warranty: 2 years unconditional. Lifetime against defects

You can give Mountz FG tools to any operator and have the confidence that they will deliver the correct torque, time after time.

Pick your range and color and buy below. Read our white paper!


A removable, sliding T-bar is supplied with FG-40i and 125i models.

Tools Benefits

  • Various models that range from 0.8 to 125 lbf.in.
  • Torque screwdriver prevents operators from influencing the torque output when tightening fasteners.
  • Accuracy and precision delivered for all fastening applications.
  • Engineered with a cam-over mechanism, the poka-yoke screwdriver prevents over torque.
  • Advanced cam-over technology provides a completely smooth reset reducing the risk of users loosening fasteners or breakage.
  • Calibration life 4x ISO standards
  • Unique bearing system eliminates axial load and side load on the fastener applied by the operator.
  • Unmatched security of the tamper-proof internal adjustment. No external adjustment scale—must be preset using a torque analyzer.
  • Patented secure bit locking mechanism with one-touch release can only be activated by the user for greater flexibility of applications and efficiency on the line.
  • Reduced bit wear lowers the incidence of bits falling out, which can slow production or cause product damage.
  • All models provide bi-directional operation and are calibrated in either the CW or CCW direction.
  • Ergonomic handles are designed with fewer flutes and larger recesses to make the tools easier to hold, less likely to cause hand fatigue, and makes drivers easier to clean.
  • Enable quick and error-free tool and torque setting identification with four different color-coding label options.
  • Two year unlimited warranty.
  • Lifetime guarantee against manufacturing defects.
  • New design improves serviceability, reduces downtime, and enables replacement of individual parts to extend the life of your investment.
  • Mountz extensive Cmk testing happened over 20,000 continuous torque readings and is documented in a Mountz-authored technical whitepaper.
  • The preferred and certified ranges of these tools is in accordance with the requirements of ISO 6789 (+/- 6% of indicated setting).