Flexible
Post Indicator Holders with magnetic base No. 657T Series
For use with all Starrett Test, AGD, Dial, and Miniature Dial Indicators.
Also accommodates similar indicators of other manufacturers. The flexible
post is an assembly of short tubular steel sections and precision ball
joints, linked by an internal steel cable. It can be adjusted to any position
and locked by turning a lever near the magnetic base. This makes it possible
to use indicators in awkward places that are hard to reach with conventional
holding devices.
Assembled to the magnetic base, the post has a vertical reach of approximately
15" (380 mm) and a horizontal reach of approximately 10" (250
mm). The indicator snug on the end of the post can be rotated through
360° and locked in any position.
The base has three precision ground magnetic contact surfaces. Grips horizontally,
vertically, or upside down. V-step holds base to arbors, shafts, chucks.
The No. 657W Attachment allows fine adjustments to be made, operated by
turning the fine-adjusting thumb screw (with post locked in rigid position)
to zero, then set the indicator.
A. Gage Rod 3/8" x 3" (9.5 mm x 75 mm) has 5/16, 1/4,
and 7/32" (8, 6.3, and 5.5 mm) steps. Holds Nos. 708, 709, 711, and
811 Dial Test Indicators by body clamp.
B. Adjusting Take-Up Sleeve with locking nut for maintaining proper
degree of post rigidity.
C. Post Snug has 3/8" (9.5 mm) hole (which will also grip
AGD dial indicators by the stem).
D. Flexible Post No. 657U.
E. Locking Lever tightens internal steel cable to make post rigid
and lock it in position.
F. Magnetic Base No. 657P has push-button on/off switch. |
Top inset, No. 657B1 Test Indicator gripped directly to its stem via
the post snug; middle, holding a No. 196B1 Test Indicator via a No.
657S Snug/Sleeve attached to the indicator's 1/4" (6.3 mm) diameter
rod; bottom, No. 657W Fine-Adjustment Attachment.
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