657D Magnetic Indicator Holder

The Starrett 657 Magnetic Indicator Holder Base has three precision ground, magnetic contact surfaces. Grips horizontally, vertically or upside down. V-step holds base to round surfaces. Extra #1/4-20 tapped hole in one side of base (not shown) for mounting post. Available with or without Starrett AGD Dial Indicators: millimeter reading 25-181J (graduation 0.01 mm, dial reading 0-50-0, range 2.5 mm) or inch reading 25-131J (graduation .0005″, dial reading 0-25-0, range .125″). Other indicators can be furnished on request. Magnetic Base with 657G/657H/657J.

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Product Description

  • Features
  • Components
  • Dimensions
  • Sets
  • Downloads
  • Calibration
○ Three precision ground magnetic contact surfaces (plus V-step)
○ Powerful, permanent magnetic base holds firmly to steel or iron surfaces – horizontally, vertically, upside-down
○ The swivel post assembly on these holders provides universal adjustment in both horizontal and vertical planes
○ Includes magnetic base, upright post assembly including post, swivel post snug and gage holding rod
Components
657P Magnetic base only
657G Upright base post only
657H Swivel post snug only
PT0684-A Gauge holding rod with clamp mechanism
57S Universal snug with 5/6″ and 3/8″ hole dia
58S Universal snug with 1/4″, 5/16″ and 3/8″ hole dia
Dimensions
657P Magnetic Base 50 x 40 x 48 mm (1-15/16″ x 1-5/8″ x1-7/8″) deep. Push bottom on/off switch for one-hand operation
657G Upright Base Post 9.5 mm (3/8″) diameter x 190 mm (7-7/16″) length overall
657H Swivel Post Sung Allow universal indicator adjustment – up and down, any vertical angle, for a compplete 360°. Two 9.5 mm (3/8″) holes
PTO6784-A Gauge Holding Rod. 9.5 x 240 mm (3/8″ x 9-1/2″) with clamping mechanism for gripping the indicator lug back
57S and 58S Adapt various scribers and indicator shanks to rods and posts
657EZ Base and upright post assembly with inch reading indicator 25-131J
657MEZ Base and upright post assembly with milimiter reading indicator 25-181J

Calibration and Repair Services

MRM provides Calibration and Repair Services for the
657D Magnetic Indicator Holder

For a quote, please email us at  [email protected]

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