3581_23581_1

  • Measure pitch diameter of screw threads
  • Resolution 0.001mm/0.00005″
  • Button function: on/off, set, mm/inch, ABS/INC, data output
  • Data output
  • SR44 or LR44 battery, automatic power off
  • Non- rotating spindle
  • Ratchet stop
  • Supplied with 60° setting standards
  • Optional accessary: 55° setting standards, measuring tips (code 7381,previous page), data output cable (code 7306-30, 7302-SPC2A, 7305-SPC3)
Code Range L b 55* setting standard code(optional)
3581-25A 0-25mm/0-1″ 42 26
3581-50A 25-50mm/1-2″ 67 38 3281-SP1
3581-75A 50-75mm/2-3″ 92 50 3281-SP2
3581-100A 75-100mm/3-4″ 117.6 62 3281-SP3

Accuracy of micrometers with tips

Pitch Range(0-25) Range(25-50) Range(50-75) Range(75-100)
0.4~0.5 0.01
0.6~0.8 0.01 0.013
1~1.25 0.012 0.015 0.017 0.017
1.5~2.0 0.014 0.017 0.019 0.019
2.5~3.5 0.016 0.019 0.021 0.021
4.0~7.0 0.021 0.0223 0.023