3-1/2 TO 6" X 12" LONG TELESCOPING GAGE3-1/2 TO 6" X 12" LONG TELESCOPING GAGE 63200, 3-1/2" TO 6" RANGE OR 89-150 MM RANGE, 12" LONG HANDLE, DUAL SELF-CENTERING ARMS These unique Starrett Telescoping Gages have a handle length of 12" to get into those hard to reach deep area's! They feature that 12" long handle and dual self-centering telescoping contact arm's. They are used for determining the true size of holes, slots and recesses from 5/16"/8mm to 6"/150mm. The ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter. They must be slightly "ROCKED" in the hole being measured to ensure that the tool is on the proper diameter before it is locked and withdrawn. Then, just measure over the locked size with a micrometer for the final size.....simple as that!
Shipping Information: Weight 26.00 lbs
Tools Instruments Test Measurement Inspection Telescoping Gage Individuals - STARRETT-579F-12 - 3-1/2 TO 6" X 12" LONG TELESCOPING GAGE
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