F190A Little Giant Jack Screw - Jack Only, with Fine-Adjusting Screw 64623

190 “Little Giant” 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, with Fine-Adjusting Screw.

3D CAD Files / Exploded Parts Diagram
Product Testimonials
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  • 40-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

3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      1JACK ONLYF190A0
      2JACKSCREW W/CAPPT995251
      3BASE #FS19024364-01
      4ROD, 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