Product Description
- Features
- Components
- Dimensions
- Sets
- Downloads
- Calibration
| â—‹ For use with all Starrett Test, Back-Plunger, AGD, Dial and Miniature-Dial Indicators |
| â—‹ Accommodates similar indicators of other manufacturers |
| â—‹ Includes magnetic base with all attachments: upright base post, two snugs, rod, and indicator attachment |
| 657P |
Magnetic base only |
| 657G |
7-7/16″ Upright base post only |
| 657S |
Snug with two 6.3 mm (1/4″) holes |
| 657X |
Rod |
| 657Y |
Indicator attachment |
| PT18724 |
Snug complete – 1/4″ and 3/8″ holes |
| 657P Magnetic Base |
50 x 40 x 48 mm (1-15/16″ x 1-5/8″ x1-7/8″). Push bottom on/off switch for one-hand operation. Base has three precision ground magnetic contact points. Grips horizontally, vertically, and upside down. V-step holds base to arbors, shafts, etc. Base has extra 1/4-20 tapped hole on one side for mounting post. Black wrinkle finish on non-working surfaces. |
| 657G Upright Base Post |
9.5 mm (3/8″) diameter x 190 mm (7-7/16″) length overall. 57S nd 58S universal sung also be used |
| 657S Sung |
Two 6.3 mm (1/4″) diameter holes. Adapts 196, 650, and 651 dial indicators and 657Y indicator attachment to 65X Rod. |
| 657X Rod. |
6.3 mm (1/4″) diameter x 150 mm (6″) long. Accommodates 708, 709, 811 and 711F dial test indicators and 657S sleeve |
| 657Y Indicator Attachment |
6.3 mm (1/4″) diameter. O.D one end, other end threaded and fits lug backs of all AGD indicators (981,25, 655, 656) and 80 miniature indicators |
| PT18724 Snug |
9.5 mm (3/8″) diameter post hole. 6.3 mm (1/4″ diameter gripping hole accommodates 657X Rod |
| 657AA |
Magnetic base with all attachment |
| 657-650Z |
Base and post assembly with 650B1 indicator, 657S sung, and 3 contact points |
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Calibration and Repair Services
MRM provides Calibration and Repair Services for the
657AA Magnetic Indicator Holder
For a quote, please email us at  [email protected]
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