Torque Tester
3/8" Drive 2.1 - 20.8 Proto® Electronic Torque Tester
Fastenal Part No. (SKU)
Manufacturer Part No.
This is an Expanded Catalog Item
Wholesale: $1691.63 / each
Online Price: $1353.30 / each
Product Attributes
Accuracy +/- 1%
Drive Size 3/8"
Primary Scale Range 2.1 ft-lb - 20.8 ft-lb
Secondary Scale Range 25 - 250 in-lb
Style Electronic
Third Scale Range 2.80 - 28.20 Nm
Trade Name Proto®
Type Torque Tester
Product Weight 5.88
UOM each
  • Use to test all types of torque wrenches in all types of settings where full scale calibration is needed or where a quick Pass/Fail check is required.
  • Accuracy of +/- 1% of indicated value in both clockwise and counter clockwise directions.
  • Broad accuracy range extends from 10% to 100% of full scale.
  • Three units of measure are available ft-lb, in-lb, and Nm.
  • Three operating modes: Track Mode, Peak Hold and First Peak (for use with Click-style Torque wrenches).
  • Fast sampling rate helps maintain high accuracy during torque applications.
  • Each tester is built with a male square drive and also comes supplied with a female-to-female square drive adapter.
  • Powered by a standard 9V battery, providing up to 50 hours run time.
  • N.I.S.T. (National Institute of Standards and Technology) traceable certification supplied with each tester.
  • Optional all-steel stand (J6470S) provides a strong support with minimal footprint.
  • Testers meet or exceed requirements set forth in ASME B107.29

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