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  • COMPANY
  • PRODUCTS
    • PRECISION SCREWDRIVERS

      Transducer | Industry 4.0

      K-DUCER Series   0.44 - 620 lbf-in

      Current Control

      PLUTO, MITO & NATO Series   0.18 - 620 lbf-in

      Automation & Robotics

      CA Series   0.18 - 620 lbf-in

       

      Clutch

      FAB & RAF Series   0.4 - 44.3 lbf-in KBL BRUSHLESS Series   0.4 - 26.7 lbf-in ACC Series   1.8 - 39.8 lbf-in

      OTHER

      Torque testers   0.4 - 885 lbf-in Reaction & positioning arms Automatic screw supplier Accessories

  • PRODUCTS
    • K-DUCER Series 0.44 - 620 lbf-in
    • PLUTO, MITO & NATO Series 0.18 - 620 lbf-in
    • CA Series 0.18 - 620 lbf-in
    • FAB & RAF Series 0.4 - 44.3 lbf-in
    • KBL BRUSHLESS Series 0.4 - 26.7 lbf-in
    • ACC Series 1.8 - 39.8 lbf-in
    • Torque testers 0.4 - 885 lbf-in
    • Reaction & positioning arms
    • Automatic screw supplier
    • Accessories
  • SUPPORT
    • FAQ
    • Videos, Downloads & Manuals
    • Torque Calculator
    • Repair Request Form
  • BLOG
  • CONTACTS
  • (603) 912-5886
  • [email protected]
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    • ES - MEXICO
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Terms

  • Evaluation Fee: An evaluation fee of $25 per tool will be applied to all quotes.
    • Approved or Warranty Repairs: Evaluation fee is waived.
    • Denied Repairs: Evaluation fee stands.
      • Tool will be shipped back unrepaired at sender’s expense or scrapped with permission.
  • Shipping:
    • Shipping costs to and from Kolver are the responsibility of the sender.
    • Return Shipping: UPS is our preferred partner, requests for FEDEX will incur a $5 USD surcharge to their invoice. International shipments require a collect #.
  • Warranty Consideration:
    • Serial #’s shipped within 1 year of service request will be deemed Potential Warranty until evaluated. Additional information may be requested to confirmwarranty consideration.
      • If serial # is not on the tool in its original form, warranty is voided
      • If tool has been modified or repaired outside of Kolver’s service center, warranty is voided
      • Shipping costs to Kolver are the responsibility of the sender. If tool is deemed warranty, Kolver will cover return ground shipping costs.
  • Repair Guarantee:
    • 60-day warranty period from the date tool shipped from Kolver’s service center
    • Warranty on parts and labor associated with repair. Warranty does not cover issued unrelated to repair components.
  • Timeline:
    • Allow approx 1-2 weeks for repair evaluation from the date it arrives at Kolver. Repair times will vary due to parts needed.
    • Tools that sit in our warehouse for more than 60+ days after quote is sent will be returned using the provided UPS or FedEx collect number. A $75 Evaluation fee will be charged as well.
      • Kolver North America will make at least (2) attempts to contact you via email and phone.
  • Torque Testers:
    • If your torque tester is out of spec and/or needs a new calibration certificate please contact Kolver directly. We will provide you with calibration documents & a trained calibration facility to work directly with.
  • Welcome to Kolver
    Precision Electric Screwdrivers
    Made in Italy
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Blog

  • KDU-1A Firmware V41: New Features and Improvements for Industry 4.0
    23 October 2025
  • Vision-guided robotic K-DUCER tightening application
    25 September 2025
  • Troubleshooting Modbus TCP connectivity
    12 August 2025
View more
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Kolver North America -
8 Industrial Way, STE E10 - Salem, NH 03079  
(603) 912-5886  [email protected]
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