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25 mm Optical Construction Rails


  • Build Enclosures and Other Rigid Mechanical Assemblies
  • Stock Lengths: 9" - 48" and 225 mm - 1200 mm
  • Custom Lengths and Raw Extrusions Available

Metric Indicator
by Tapped Hole
(One Side Only)

XE25L500/M

XE25 Series Rail

Alignment
Hole (4 Places)

Channel Accepts
T-Nuts,
Rail Joiners,
or Enclosure
Panels

1/4"-20 (M6) Tap
(Both Ends)

Related Items


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Features

  • 25 mm Square Construction Rails
  • Stock Lengths Range from 9" to 48" (Metric Lengths: 225 - 1200 mm)
  • Rail Channels Accommodate Mechanical Components
  • Custom Rail Lengths and Raw Extrusions Available

With a 25 mm x 25 mm profile, Thorlabs' XE25 Construction Rails are our most compact and lightweight option for building three-dimensional mechanical structures. They consist of extruded lengths of aluminum that feature channels on all four sides, as shown in the image at the top of the page. These channels make the rails mechanically compatible with other optomechanical components. For instance, by inserting T-Nuts into the channels, any 8-32 (M4) or 1/4"-20 (M6) optomechanical component can be fastened to the rail sides. The channels are also perfectly sized to hold enclosure panels made of black hardboard or plexiglass, as is done with our optical enclosures.

Our 25 mm rails are offered in pre-cut lengths from 9" to 48" (225 to 1200 mm) and are finished with a durable, black anodized coating. The centered 1/4"-20 (M6) tapped hole on both ends allows the rail to be mounted directly to a breadboard or optical table. Upon request, we can provide these anodized rails in custom lengths from 2.5" to 79" (50 to 2000 mm), or we can provide the raw rail extrusion in lengths up to 3 m (9.8').

Thorlabs' accessories for assemblies made of 25 mm rails include corner cubes and brackets, T-Nuts, low-profile channel screws, breadboard mounting accessories, and rail joiners. In addition, we offer optical enclosures, enclosure accessories, and "do-it-yourself" tools like taps, tap guides, and drill guides for home-built XE25-based constructions.


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Posted Comments:
Poster:tcohen
Posted Date:2012-05-14 17:22:00.0
Response from Tim at Thorlabs: When adding the 25mm customized rail (XE25-CUSTRAIL) to your shopping cart, you are able to view the price and lead time. Currently, a typical lead time is approximately 3-4 weeks.
Poster:hwei
Posted Date:2012-05-14 16:16:20.0
May I know when the 25mm Customized Rail will be available? Thanks.
Poster:tcohen
Posted Date:2012-03-02 17:49:00.0
Response from Tim at Thorlabs to Andrew: Thank you for your feedback! I am discussing the introduction of a T-nut with a spring-loaded ball with our design team. We are always interested in customer feedback as inspiration for new products and we appreciate you contacting us with your idea.
Poster:andrew_yablon
Posted Date:2012-03-01 16:40:43.0
I found product number 47065T226 from McMaster-Carr to be the best slide in T-nut because (1) it is 1/4-20 threaded; (2) it slides into the Thorlabs XE25 construction rails easily; and most importantly (3) it comes with a spring-loaded ball that holds the T-nut in place when the XE25 rail is vertical. Can Thorlabs introduce a (cheaper?) XE25 compatible T-nut that contains a spring-loaded ball like McMaster-Carr's part number 47065T226? Thanks, Andrew Yablon andrew_yablon@interfiberanalysis.com
Poster:Thorlabs
Posted Date:2011-01-17 14:34:04.0
Response from Javier at Thorlabs to jeffrey.hendrixson: thank you very much for submitting your inquiry. If the connection between all the components is collinear, you can simply use 1/4"-20 setscrews; a 1" long setscrew at each junction would suffice. If the P14 posts are to be mounted perpendicularly with respect to the XE25L18, then you could use 1/4"-20 setscrews along with two XE25T1 T-nuts (one for each connection).
Poster:jeffrey.hendrixson
Posted Date:2011-01-15 07:50:47.0
Do you make a product that would allow the XE25L18 connect between two P14 1.5" mounting posts?
Poster:Tyler
Posted Date:2008-06-06 12:43:22.0
A response from Tyler at Thorlabs to Michael: I will have an application engineer send you a quote for 10 9" long rails. For a much faster response, we have a part number "XE25-CUSTRAIL" listed at the bottom of all the fixed rails in our price box. You simply need to put in a quantity and a length and it will generate a price on the spot. You can then buy the custom rails online or remove them from the basket and continue browsing.
Poster:michael.smith
Posted Date:2008-06-06 12:09:04.0
I am interested in pricing information for the custom rail lengths. Is there a minimum order number? Im thinking of ordering something like 10 9" long rails.

XE25 25 mm Construction Rails

  • Black Anodized Finish
  • 1/4"-20 (M6) Tapped Holes on Both Ends
  • Custom Lengths Available

Our 25 mm rails have rail channels on all four sides for use in one-, two-, or three-dimensional constructions. These channels feature 6.5 mm openings and accept T-Nuts, rail joiners, and enclosure panels. Each rail end is tapped with a 1/4"-20 (M6) hole for compatibility with standard optomechanics.

The pre-cut rails are offered from stock in lengths ranging from 9" to 48" (225 mm to 1200 mm), with a tolerance of ±0.006" (±150 µm). If our pre-cut lengths do not suit your application, custom lengths from 2.5" - 79" (50 mm - 2000 mm) can be ordered by using the XE25-CUSTRAIL(/M) field in the price box below or contacting Technical Support.

As shown in the family image at the top of the page, metric rails are denoted by a small hole on one side of the extrusion, next to the M6 tapped hole.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available / Ships
XE25L09 Support Documentation
XE25L099" Long Construction Rail
$14.70
Today
XE25L12 Support Documentation
XE25L1212" Long Structural Rail
$15.75
Today
XE25L15 Support Documentation
XE25L1515" Long Construction Rail
$18.90
Today
XE25L18 Support Documentation
XE25L1818" Long Construction Rail
$22.05
Today
XE25L20 Support Documentation
XE25L2020" Long Construction Rail
$24.15
Today
XE25L21 Support Documentation
XE25L2121" Long Construction Rail
$25.20
Today
XE25L24 Support Documentation
XE25L2424" Long Construction Rail
$28.35
Today
XE25L28 Support Documentation
XE25L2828" Long Construction Rail
$32.55
Today
XE25L30 Support Documentation
XE25L3030" Long Construction Rail
$34.65
Today
XE25L33 Support Documentation
XE25L3333" Long Construction Rail
$37.80
Today
XE25L36 Support Documentation
XE25L3636" Long Construction Rail
$40.95
Today
XE25L45 Support Documentation
XE25L4545" Long Construction Rail
$50.40
Today
XE25L48 Support Documentation
XE25L4848" Long Construction Rail
$53.55
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
XE25L225/M Support Documentation
XE25L225/M225 mm Long Construction Rail
$14.70
Today
XE25L300/M Support Documentation
XE25L300/M300 mm Long Construction Rail
$15.75
Today
XE25L375/M Support Documentation
XE25L375/M375 mm Long Construction Rail
$18.90
Today
XE25L450/M Support Documentation
XE25L450/M450 mm Long Construction Rail
$22.05
Today
XE25L500/M Support Documentation
XE25L500/M500 mm Long Construction Rail
$24.15
Today
XE25L525/M Support Documentation
XE25L525/M525 mm Long Construction Rail
$25.20
Today
XE25L600/M Support Documentation
XE25L600/M600 mm Long Construction Rail
$28.35
Today
XE25L700/M Support Documentation
XE25L700/M700 mm Long Construction Rail
$32.55
Today
XE25L750/M Support Documentation
XE25L750/M750 mm Long Construction Rail
$34.65
Today
XE25L825/M Support Documentation
XE25L825/M825 mm Long Construction Rail
$37.80
Today
XE25L900/M Support Documentation
XE25L900/M900 mm Long Construction Rail
$40.95
Today
XE25L1125/M Support Documentation
XE25L1125/M1125 mm Long Construction Rail
$50.40
Today
XE25L1200/M Support Documentation
XE25L1200/M1.2 m Long Construction Rail
$53.55
Today

XE25 25 mm Construction Rail, Raw Extrusion

  • Unanodized Extrusion for Custom Applications
  • 2 m (6.6') Length
  • Center Hole is Not Tapped

The XE25RL2 is an unanodized, rough-cut extrusion for customers who prefer to machine and finish their own rails. The center hole of the extrusion can be 1/4"-20 or M6 tapped without additional machining. Its aluminum construction makes it easy to machine in your own machine shop.

Upon request, we can supply this extrusion in lengths up to 3 m (9.8'). Please contact Technical Support for a quote.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
XE25RL2 Support Documentation
XE25RL2Raw, Unanodized 25 mm Rail Extrusion, 2 m
$37.80
Today
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