Rod Inside Micrometer
The desired range is obtained by assembling rods and spacing collars to the micrometer head. Measuring rods are provided with a shoulder that is set accurately in the micrometer head and locked in position,When using the inside micrometer it is necessary to rotate the head end of the micrometer in an axially direction as well as up and down , all the while adjusting the head to the proper feel. Rotating the head in this manner assures that the micrometer is accurately centralized in the part. The inside micrometer, in most cases, is removed from the part while the actual reading is being done. For this reason the barrel lock is relatively snug to retain the reading.
Hardened and ground anvils
|
Order No.
|
Range(mm)
|
Accuracy
|
|
|
325-350
|
0.009
|
|
|
350-375
|
0.010
|
|
|
375-400
|
0.010
|
|
|
400-425
|
|
|
|
425-450
|
0.010
|
|
|
450-475
|
|
|
|
475-500
|
0.011
|
|
|
500-525
|
0.011
|
|
|
525-550
|
0.011
|
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