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657A Starrett Magnetic Base Indicator Holder with swivel post assembly
657A Starrett Magnetic Base Indicator Holder with swivel post assembly
    Quantity in Basket: None
    Price: $180.77

    Starrett Magnetic Base Indicator Holder
    with swivel post assembly

    The swivel post assembly on these holders provides universal
    adjustment in both horizontal and vertical planes . Available with inch or
    millimeter Starrett Dial Test or Back-Plunger Indicators, they save time
    in shop set-up and other inspection jobs .
    For use with all Starrett Test, Back-Plunger, AGD, Dial and Miniature-
    Dial Indicators . Also accommodates similar indicators of other
    manufacturers .
    Powerful, permanent magnetic base holds firmly to steel or iron
    surfaces – horizontally, vertically, upside-down . Push-button turns
    magnetic force on or off for quick, one-hand set-up and take-down .
    V-step adapts base to horizontal or vertical arbors and chucks . There is
    an extra 1/4-20 NC tapped hole in side of base for indicator mounting
    post . Three precision ground magnetic contact surfaces (plus V-step) .
    Black wrinkle finish on non-working surfaces .

    Magnetic Base Assembly Features:

    • A . 657P Magnetic Base is 1-15/16" x 1-5/8" x 1-7/8" (50 x 40 x
      48mm) deep .
    • B . Swivel Cap Slot permits 90º post travel to horizontal position .
    • C . Post rotates 360º .
    • D . 657F Indicator Swivel Post Assembly is 6-1/2" (165mm) high
      (less threaded end) . Assembly consists of items B, C, E, F, G .
    • E . Fine-Adjusting Screw . Turn to zero set indicator .
    • F . Upper arm is 2" (50mm) long with a 5/16" (8 mm) diameter and
      swings more than 180º; friction joint holds it in position .
    • G . 7/32" (5 .5mm) diameter step, 1/2" (13 mm) long .

    • 657 Series Sets
      These sets have been put together for your
      ordering convenience, but you can mix and
      match other Starrett test or back-plunger
      indicators and attachments with the 657A
      Magnetic Base and Swivel Post Assembly to
      suit your needs .
    657A Magnetic Base Indicator Holder - Individual Components
    Catalog No Description
    657A Magnetic Base with Swivel Post Assembly
    657P Magnetic Base Only
    657F Swivel Post Assembly Only