-40%
Magnetic Base Indicator Holder Attachment 1/4 Outer Diameter Accessories Kit
$ 7.15
- Description
- Size Guide
Description
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Magnetic Base Indicator Holder Attachment 1/4 Outer Diameter Accessories Kit"
Indicator attachment for attaching lug back indicators to indicator holder
Has one 1/4" 6.3mm outer diameter end and one threaded end
Item Package Dimension: 4.0" L x 1.0" W x 1.0" H
Package Weight : 0.05 pounds
Size:
Indicator Attachment
The Starrett 657Y indicator attachment is designed to attach a lug back indicator to an indicator holder. The attachment has one 1/4" 6.3mm outer diameter end and one threaded end and fits the lug back of all American Gage Design AGD indicators Starrett series 25 81 655 and 656 and Starrett series 80 miniature indicators.
Magnetic bases are magnetic fixtures commonly used in metalworking to hold dial indicators and are also used in other fields such as optics. Magnetic bases can assist the user setting up a workpiece in a milling machine surface grinder or other machine tool. The vertical post and rod in a magnetic base connect using swiveling connectors or snugs. This allows free motion of the arm so that the dial indicator can be moved into position on the workpiece. Many magnetic bases have a V-step which is a V-shaped notch in the base for holding the base to arbors shafts and other cylindrical items. The magnetic base has a circular hole through the center. A round permanent magnet is inserted into this hole and a handle or button is attached to allow the user to rotate the magnet. Rotating the magnet turns the base on and off as this causes the position of the magnetic field to rotate as well. In the on position the iron is acting as an extension of the magnet while in the off position the magnet is acting as a keeper preventing the magnetic field from extending through the base.
The L.S. Starrett Company manufactures precision measuring tools metrology and testing equipment and saw blade products. The company founded in 1880 is headquartered in Athol MA.
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