Magnetic Base w/Attachments, Rod 0.250 In

Sale price$284.69


This Starrett 657AA Magnetic Base with Attachments is the perfect tool for testing and inspecting equipment. It can be used to hold indicators, test equipment, gauges and other devices in place while you work on them. The magnetic base ensures that your device will stay in place while you are working on it. The push button switch allows you to turn the indicator on or off easily. With a cast iron construction, this black dial indicator holder is both durable and sturdy. It has a 1 7/8" L x 1 5/8" W x 1 15/16" H base size which means it can hold many different types of devices without trouble. The Starrett Dial Indicator Holder is an essential addition to any workshop or garage where tools need testing or checking before use.


  • Mfr #: 657AA
  • Features: For Use with all Starrett Test, Back-Plunger, AGD, Dial and Miniature-Dial Indicators
  • Finish: Black
  • Includes: All Attachments, Indicator Attachment, Rod, Snug Complete - 1/4 in and 3/8 in Holes, Snug with Two 1/4 in (6.3 mm) Holes
  • Series: 657
  • Switch Type: Push button
  • Screw Type: Knob
  • Magnetic Pull (Lb.): 100
  • Construction: Cast Iron
  • Upright Post Dia. (In.): 0.375
  • Snug: Swivel Post
  • Rod Dia. (In.): 0.250
  • Thread Size: 1/4-20
  • Step Type: Flat
  • Item: Magnetic-Base Indicator Holder
  • Base Size (In.): 1 15/16 W x 1 5/8 D x 1 7/8 H
  • Holes: -
  • Overall Length (In.): 9-1/2
  • Base Width: 1 5/8 in
  • Compatible Indicator Mounts: 1/4 in, 3/8 in
  • Maximum Reach: 12 in
  • Base Thread Size: 1/4 in-20
  • Magnet Type: On/Off Knob
  • Base Type: Magnetic
  • Working Length of Snug/Third Arm: 2 in
  • Working Length of Upper Arm: 6 in
  • Working Length of Post/Lower Arm: 7.5 in
  • Includes Snug: Yes
  • Base Size: 1 7/8 in L x 1.625 in W x 1 15/16 in H
  • Base Length: 1 7/8 in
  • Holding Power: 100 lbf
  • Base Height: 1 15/16 in
  • Arm Type: Rigid
  • Accessory Type: Magnetic-Base Indicator Holder

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