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S190 Starrett Little Giant Jack Screws
 
S190 Starrett Little Giant Jack Screws
    Quantity in Basket: None
    Price: $62.31
     
     
    Quantity:
     

    S190

    Starrett Little Giant Jack Screw

    190 Series
    2-1/4"–3-3/8" / 57-85mm
    191 Series
    1-1/2"–2-1/4" / 38-57mm


    “Little Giant” Jack Screws are very handy for
    leveling work on planer beds, upright drills,
    setting up machinery, and for general use in
    the toolroom or machine shop.
    190 and 191 have 20-pitch screws and for
    those who desire a finer adjustment, the F190
    has a 40-pitch screw.
    An auxiliary pointed screw (D) is supplied,
    to be used in place of the screw with swivel
    cap. Extension base (E) is furnished for places
    where it is not possible to obtain a bearing on
    a flat surface. Extension V base (F) is for use
    against a cylindrical form.

    Specifications 190 191
    Range 2-1/4 –
    3-3/8"
    57-85mm 1-1/2 –
    2-1/4"
    38-57mm
    Maximum Height
    with Attachments
    6-3/8" 162mm 3-3/4" 95mm
    Jack (A) Base
    Diameter
    1-1/4" 32mm 1" 25mm
    Extension (B) 2" 50mm 1" 25mm
    Extension (C) 1" 25mm 1/2" 13mm

     

    190 & 191 “Little Giant” Jack Screws
    Photo Key Description Catalog No. Catalog No.
    Set Complete, with Fine-Adjusting
    Screw and All Attachments
    SF190
    Set Complete with All Attachments
    S190
    S191
    A
    Jack Only, with Fine-Adjusting Screw
    F190A
    Jack Only
    190A
    191A
    B
    Extension Base
    190B
    191B
    C
    Extension Base
    190C
    191C
    D
    Auxiliary Pointed Screw with Fine-
    Adjusting Screw
    F190D
    Auxiliary Pointed Screw
    190D
    191D
    E
    Extension Base
    190E
    191E
    F
    Extension V Base
    190F
    191F