Electronic 3 Point Internal Micrometer, 0.472-0.630"/12-16mm - 303-253

Brand:   None
SKU:
303-253
ID:
337251
Range inch 0.472 - 0.630"
Range mm 12 - 16 mm
Accuracy ±0.00016" / 0.004 mm
Extension Rods 3.937"
Setting Rings 0.6299"
L 44.5 mm
b 6.3 mm
c 0.4 mm
$395.00
Current Stock:
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Electronic 3 Point Internal Micrometer
0.472-0.630"/12-16mm


This versatile and self-centering 3 point internal micrometer are designed for accurate and repeatable measurement of internal diameter. Measurement can be taken closed to the bottom of a blind hole or in a deep hole with extension rod. 3 point anvils evenly spaced at 120 degree apart, contact the internal wall surface and find the true alignment with the bore axis for accurate ID measurement.


Calibration procedure:

  • 1) Before placing the micrometer into the supplied ring gage, press and hold the on/off/set key to go into the preset mode and use either hold or in/mm/0 key to adjust value as the ring gage diameter and toggle the decimal place by pressing the on/off/set key; Once the ring gage diameter is set in the Preset mode, press and hold the on/off/set key to exit the Preset mode.
  • 2) Place the internal micrometer into the supplied ring gage and ensure repeatable contact with the internal bore surface
  • 3) While the micrometer still is in the ring gage, press & hold the in/mm/0 key to set the micrometer to its preset value


Features:

  • Self-centering 3-point contacts for accurate and repeatable measurement of internal diameter
  • Measurement can be taken closed to the bottom of a blind hole or in a deep bore with extension rod
  • Supplied with setting rings and extension rod
  • Resolution: 0.00005” / 0.001mm
  • 3-point contact with tungsten carbide measuring anvils on range above .5";
    Stainless steel anvil hardened to HRC 48 on range below .5"
  • Ratchet thimble
  • Preset key allows to preset to any values
  • On/Off/Set, Hold key, inch/metric/0 key available
  • Furnished in fitted case


Specifications:

SKU 303-253
BORE GAGE CATEGORY Electronic
MEASURING RANGE - BORE GAGE 0.472 - 0.630" / 12 - 16 mm
BORE DEPTH 1.75"
SETTING RING 0.6299"
CONTACT POINTS 3
RESOLUTION 0.00005"
ACCURACY ±0.00016" / 0.004 mm




See all Electronic 3 Point Internal Micrometers & Sets


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WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.

Electronic 3 Point Internal Micrometer, 0.472-0.630"/12-16mm - 303-253

Electronic 3 Point Internal Micrometer, 0.472-0.630"/12-16mm - 303-253

Electronic 3 Point Internal Micrometer, 0.472-0.630"/12-16mm…

$395.00