Description
The case includes magnetic base, upright post assembly including post, snug, gauge rod with clamp and fine adjust, 659A 56687 and thread adaptor
This holder has a powerful magnetic base that attaches to flat surfaces or on round work up to 5″ in diameter by a form-ground involute vee for accurate seating.
It has approximately twice the holding power of our No. 657 magnetic base and has a rotary on/off switch.
A post snug with two 3/4″ gripping holes positions the dial indicator at any height and at any vertical angle and allows for 360 degree rotation of the gauge rod.
After locking the gauge in place, the final indicator setting is made by an independent fine adjustment at the back end of the gauge rod.
A second tapped hole (3/8″-24) in one side of the base is for mounting the post horizontally or adding another post for multiple inspection work.
The base is furnished with a threaded adaptor, making it possible to use the no. 657 series magnetic base post and attachments.
Base and snug have a black wrinkle finish with precision ground contact surfaces.
Both the upright post and the gage rod are approximately 9-3/8″ long and 3/4″ in diameter.
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