Brushless Electric Torque Screwdrivers - Mountz Inc.


The YF-Series is a new line of ESD brushless electric torque screwdrivers  from Mountz, Inc. With the increasing need for sophisticated fastening torque tools by manufacturers, these versatile power tools offer various programmable features to meet the evolving demands from the manufacturing industry. The YF-Series is new addition to the continuing development of the Mountz E-DRIV  brand of power tool products. Mountz is offering various YF electric screwdriver models covering a torque range from 6.1 inch-pounds up to 78.1 inch-pounds. These reliable torque screwdrivers feature a programmable speed, angle and auto reverse option. Along with a selectable "Soft Start" operating mode and a "Multi-Hit" mode. Mountz brushless electric torque screwdrivers  are designed for precision torque control and have become the state-of-the-art in the assembly industry. 

Adjustable RPM Setting: Adding the adjustable speed control provides manufacturers with the versatility to quickly change the tool settings as production projects change. In this recovering economy, manufacturers are looking to save time by improving the efficiency of their production space and methods. Manufacturers are seeking versatile assembly tools that are equipped to handle quick changes in  the production environment. The new adjustable speed control setting for the YF-Series screwdriver allows the operator to adjust the RPM directly on the controller. 

Soft Start Mode Setting: The selectable “Soft Start” mode is for applications that require the power tool to slowly ramp-up to its operating speed, perfect for plastic or sensitive electronic applications. There are 3 different time settings for the Soft Start mode, which are (0.2, 0.4 & 0.6 seconds). 

Multi-Hit Mode Setting: The Multi-Hit mode is for very soft joint applications. When an electric screwdriver runs down a fastener and the tool clutches off once the preset torque is achieved, there can be some joint relaxation that can occur. The Multi-Hit mode allows the YF electric screwdriver to perform multiple hits to stabilize the torque for any joint relaxation that may occur. Joint relaxation is caused by the surface of part(s) embedding or by "soft parts" such as gaskets, plastics or spongy material, which collapses under the clamping force created in a torque condition. For hard joint applications there is no need to use the Multi-Hit mode. 

Brushless Electric Screwdriver Technology:  Designed for high production environments, the YF brushless screwdriver features a high performance brushless motor design that provides durability and reduces the standard maintenance costs for an electric screwdriver.  Additionally, costly mechanical micro switches have been eliminated with the YF-Series in favor of non-contact magnetic sensors. In addition to lower maintenance costs, the YF tool is ESD certified, ensuring less than 1 Ohm at the bit tip.  ESD management in power tools ensures product quality, cost savings and a reduction in overall ESD failures. 


  • torque range from 6.1 inch-pounds up to 78.1 inch-pounds
  • programmable speed
  • angle and auto reverse option

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