Description
The Starrett Telescoping Gage is used for determining the true size of holes, slots, and recesses up 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. These tools 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slightly “rocked” in the hole being measured to ensure that the tool is on the proper diameter before it is locked and withdrawn. The final hole size is obtained by measuring over the gage contacts with a micrometer. SET, Includes 5, Nos. 229A/B/C/D/E in Case micrometer.
Precision Ground Radius on each gage provides two-point contact for maximum accuracy
Case
Handles can be individually ordered and/or ordered in larger sizes such as 8", 12" or longer
Features a handle, one rigid contact arm and one spring-tensioned telescoping contact arm
Ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter
Range (in): 1/2 – 6"
Range (mm): 13-150mm
Handle Length (in): 2-3/8 – 3-1/4"
Handle Length (mm): 60-82mm
Precision Ground Radius on each gage provides two-point contact for maximum accuracy
Case
Handles can be individually ordered and/or ordered in larger sizes such as 8", 12" or longer
Features a handle, one rigid contact arm and one spring-tensioned telescoping contact arm
Ends of both contacts are hardened and ground to a radius to allow proper clearance on the smallest hole the gage will enter
Range (in): 1/2 – 6"
Range (mm): 13-150mm
Handle Length (in): 2-3/8 – 3-1/4"
Handle Length (mm): 60-82mm
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