2" (50 mm) Travel


Micrometer Drives, 50 mm

  • 50 mm Travel Range
  • 10 µm of Travel per Division
  • Spherical Tip
  • Available With or Without a 5/64" (2mm) Hex on the End


  • Chrome-Plated Polished Spindle Improves Accuracy
  • Knurled Adjustment Knob for Grip
  • Standard Ø12.7 mm Mounting Barrel
  • Engraved Graduations for Accurate Alignment
  • Versions with 2 mm Hex Available

The 151-411ST and 151-411ST-H micrometers allow 50.00 mm of travel range with 10 µm spacing between graduations. Item numbers ending in -H incorporate a 5/64" (2 mm) hex allowing them to be actuated in space-constrained environments.

The spherical spindle tip provides a single point of contact, which minimizes positioning alignment errors.

Item #151-411ST151-411ST-H
Travel Range 50.00 mm
Graduation 10 µm per Division
Distance per Rev 0.5 mm
Hex N/A 2 mm
Load Capacity 4 kg (Max)
Scale Surface Hard-Chrome Plating



Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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