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  • Starrett 657Y Indicator Attachment for Magnetic Base Indicator Holder, 1/4" Outer Diameter
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Starrett 657Y Indicator Attachment for Magnetic Base Indicator Holder, 1/4" Outer Diameter

7 customer reviews

Price: $5.51 & FREE Shipping on orders over $35. Details
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Specifications for this item
Brand Name Starrett
Part Number 657Y
System of Measurement Inch
UPC 049659527650 , 094705955383
EAN 0049659527650 , 0094705955383
Number of Items 1
Size Indicator Attachment
UNSPSC Code 41113600

The Starrett 657Y indicator attachment is designed to attach a lug back ind... Read full product description



Product Features

  • Indicator attachment for attaching lug back indicators to indicator holder
  • Has one 1/4" (6.3mm) outer diameter end and one threaded end
  • Fits the lug back of all American Gage Design (AGD) indicators (Starrett series 25, 81, 655, and 656) and Starrett series 80 miniature indicators

Product Details

  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B000VDTIY0
  • Item model number: 657Y
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (7 customer reviews)
  • Amazon Best Sellers Rank: #15,059 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
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Frequently Bought Together

Starrett 657Y Indicator Attachment for Magnetic Base Indicator Holder, 1/4" Outer Diameter + Starrett 657S Snug, With Two 1/4" Holes for Magnetic Base Indicator Holder + Starrett 657X Rod for Magnetic Base Indicator Holder, 1/4" Diameter, 6" Length
Price for all three: $34.04

Buy the selected items together

Product Description

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 with 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.


Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Eddie on December 14, 2014
Verified Purchase
If you have a Noga indicator stand, and want to attach it to the lug at the back of a dial indicator, use this along with Starrett PT00764 split bushing.
The bushing adapts the 1/4" outside diameter of the 657Y post to the 3/8" inside diameter hole of the Noga holder.

Note if your dial indicator already has a 3/8" stem, then it can be attached directly to the Noga holder without any additional attachments.
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1 of 1 people found the following review helpful By James L. Sellers on April 8, 2014
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When you buy a lug backed indicator they don't sell this piece of hardware with it. This allows you to use your indicator base and rods with a lugged backed indicator.
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1 of 1 people found the following review helpful By bob champ on December 24, 2011
Verified Purchase
A must have for lug back indicators and magnetic base holders, another way of attachment for different or hard to get at measuring applications.
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Nicely made (not a surprise from Starrett), and exactly what it says it is. Won't fit a Noga holder though...wrong diameter for the Noga hole. Either need a little collet-like bushing, or make your own equivalent with a larger diameter.
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