190A Little Giant Jack Screw - Jack Only 50681

190 GÇ£Little GiantGÇ¥ Jack Screws and Sets
Little Giant Jack Screw, 2-1/4 - 3-3/8" (57-85mm) Range, 1-1/4" (32mm) Base Diameter

Little Giant Jack Screws are used for leveling work on planer beds, drills, setting up machinery, and general use in toolrooms or machine shops. 190 Series are 2-1/4" to 3-3/8" / 57-85mm in Size. Series 190 and 191 have 20-pitch screws and for those who desire a finer adjustment, the F190 has a 40-pitch screw. Jack Only.

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  • 20-pitch screw
  • Range : 2-1/4 - 3-3/8" / 57-85mm
  • Jack Base Diameter : 1-1/4" / 32mm


  • Made in America: Yes
  • Range (in): 2 - 1/4 to 3 - 3/8"
  • Range (mm): 57 - 85mm
  • Maximum Height - Attachments (in): 6 -3/8"
  • Maximum Height - Attachments (mm): 162mm


    Catalog 33 - Section 17 - Precision Shop Tools

    This section offers quality tools that do not measure, but are needed frequently in manufacturing. Tools such as work positioning tools, scribers, punches, vises and lubricant are an integral part of any shop or manufacturing industry.

    Precision Hand Tools (Catalog 33)

    612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      10BASE #19002137-01
      20JACKSCREW W/CAPPT990301
      40•JACKSCREW .500-20RD02140-01
      50ROD, 2 1/4-6 1/4"02143-01

    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov