Dovetail Mechanism


1" (25 mm) Travel Dovetail Stages

  • Modular, Compact Design
  • Lockable Platform
  • Rapid, Smooth Positioning

The DT25 dovetail translation stage is an entry-level positioner for use in general purpose positioning applications. It provides a travel range of 25 mm (1.0"), with 1 mm (0.04") travel per revolution of the adjuster. The design uses a precision-rolled M6 x 1.0 mm pitch leadscrew for smooth linear positioning along the entire range of travel. The moving platform is lockable via a side-located screw to guard against accidental movement. The stage can be bolted directly to the optical table, or it can be secured using four CL6 clamps (two on each side) as shown in the image above. The DT25A base plate can be used to create extra space between the mounting surface and the DT25. The dowel pins included in the purchase of each DT25 stage can be used to ensure that the DT25A base plate is squarely positioned under the DT25 dovetail stage.

XY Configuration
The modular design allows two DT25 dovetail translation stages to be assembled into a 2-axis dovetail translation stage. Dowels are included with the purchase of each DT25 so that perpendicularity between the two translation directions is maintained when constructing XY configurations. Since there are drive adjustment knobs on either end of the stage, we do not recommend it for Z-axis translation.


Item #DT25 Series
Travel Range 1.0" (25 mm)
Maximum Load 5.0 lbs (2.4 kg)
Actuator Travel 0.04" (1.0 mm) per revolution
Construction Aluminum with Precision Steel Leadscrew
Dimensions (including actuator) 2.95" x 4.7" x 0.77" (75 x 120 x 19.5 mm)


1" (25 mm) Linear Dovetail Translation Stage

* 1/4"-20 (M6) Mounting Holes in 13 Places
* Bottom Side Relief Cuts Increases Stability on Supporting Surface
* Included Dowels Allow Stacking of 2 Stages in an XY Configuration


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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