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95 mm Optical Construction Rails


  • Stock Lengths from 66 mm to 2000 mm
  • 1- or 4-Sided Rails
  • Precision Rails with Higher Parallelism Tolerance Available
  • Custom Lengths Available

XT95SP-500

One-Sided Rail

XT95-250

Standard
95 mm Rail

Eight M6
Taps on
Each End

Side-Located T-Slots Accept
Rail Plates, Adapters, or T-Nuts

XT95EC1

95 mm Rail End Plate

Related Items


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XT95P12 Clamping Mechanism
Click to Enlarge
View Imperial Product List
Item #QtyDescription
Imperial Product List
XT95-250195 mm Construction Rail, Clear Anodized, L = 250 mm
XT95P121Rail Plate for 95 mm Rails, 1/4"-20 Tapped Holes
BA11Mounting Base, 1" x 3" x 3/8"
SH25S03811/4"-20 Stainless Steel Cap Screw, 3/8" Long, Pack of 25
W25S05011/4" Washer, M6 Compatible, Stainless Steel, Pack of 100
PH31Ø1/2" Post Holder, Spring-Loaded Hex-Locking Thumbscrew, L = 3"
View Metric Product List
Item #QtyDescription
Metric Product List
XT95-250195 mm Construction Rail, Clear Anodized, L = 250 mm
XT95P12/M1Rail Plate for 95 mm Rails, M6 Tapped Holes
BA1/M1Mounting Base, 25 mm x 75 mm x 10 mm
SH6MS101M6 x 1.0 Stainless Steel Cap Screw, 10 mm Long, Pack of 25
W25S05011/4" Washer, M6 Compatible, Stainless Steel, Pack of 100
PH75/M1Ø12.7 mm Post Holder, Spring-Loaded Hex-Locking Thumbscrew, L=75 mm
Clamping Mechanism Using T-Slots and T-Nuts

Click to Enlarge

95 mm Optical Rails with XT95EC1 End Plates (Sold Separately)

Features

  • 95 mm Optical Construction Rails
  • Stock Lengths Range from 66 mm to 2000 mm
  • Accommodates Optomechanical Components using T-Slots, Outer Wings, or M6 Taps
  • Clear-Anodized or Black-Anodized Versions Available
  • One-Sided Version Features Clearance Slots for Mounting to an Optical Table
  • Mechanically Compatible with Our Competitor's 95 mm Rails and Accessories
  • Custom Rail Lengths Offered

Thorlabs' XT95 Optical Rails are our largest and most rigid construction rails. They consist of extruded lengths of aluminum, and each rail side features a linear mounting surface with two T-slots and two outer wings that span the rail length. Their precision construction allows large-scale optical assemblies to be translated along the rail axis with excellent mechanical stability. Originally designed for vacuum-tight flight paths, these optical rails are ideal building blocks for three-dimensional, load bearing structures; large-scale optical instrumentation setups; or modular, expandable assemblies that require the highest degree of support. The outer wings, which provide additional stability against longitudinal and torsional pressures, are tapped with eight M6-threaded holes.

The standard four-sided rails measure 95 mm to a side and are available in six stock lengths, ranging from 250 to 2000 mm. Precision rails, which have a ±10 arcmin parallelism tolerance on the rail ends, are available in lengths ranging from 66 to 600 mm. One-sided rails are available in 500 mm or 1000 mm lengths and include clearance slots for securing the rails horizontally to an optical table. Upon request, we can ship the finished four-sided rails in any length from 50 to 2500 mm, or we can provide the raw rail extrusion in lengths up to 3.5 m (11.5'). Finished standard rails feature a durable, clear-anodized coating, while the precision rails feature a black-anodized coating.

Thorlabs' product family for 95 mm rails includes angle adapters, leveling feet, a base plate, and a vacuum adapter that supports pressures down to 10-6 torr. In addition, we manufacture mounting platforms and T-nuts that provide compatibility with standard optomechanics. Together with size adapters that incorporate 66 mm rails into an XT95 setup, these tools provide a complete family of rigid, versatile building blocks suited for virtually any optomechanical setup.

An end plate is available below for our 95 mm Construction Rails and 95 mm Precision Construction Rails. The end plate covers the entire end of the rail, decreasing the risk of harm due to sharp edges.


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Posted Comments:
Poster:ludoangot
Posted Date:2016-11-16 14:49:26.467
Hello, I welcome the introduction of your precision construction rail, anodized in black. Besides their intended use as optical rails (I've ordered one), I see the possibility to use them as long lens tube. For this it would be very useful that you offer a lens tube adapter plate, the equivalent of your XT66SM2, either or both for SM2 and SM3. If you make such adapter, how long would it take to see it in your catalog?
Poster:tfrisch
Posted Date:2016-11-28 02:38:26.0
Hello, thank you for contacting Thorlabs. I see that you are already in contact with Technical Support about this custom request. We will also post this in our engineering forum.
Poster:martin.gersing
Posted Date:2016-10-21 12:22:29.21
Dear Thorlabs, could you provide me with information about the manufacturing tolerances (especially the straightness-tolerances) of your XT95SP-1000 one-sided rail? Thanks in advance.
Poster:jlow
Posted Date:2016-10-24 04:27:32.0
Response from Jeremy at Thorlabs: The straightness specification for the 1m long rail is 0.041".
Poster:jbrooker
Posted Date:2013-09-11 09:11:35.27
please post the center to center dimension on the rail drawing for the t slot nut so I can fabricate my own adaptor
Poster:jlow
Posted Date:2013-09-11 09:45:00.0
Response from Jeremy at Thorlabs: The center to center distance of the T-nut slots is 46mm. We will get the drawings updated.
Poster:yosuf.ahmed
Posted Date:2011-04-14 17:50:55.0
So far so good
Poster:jjurado
Posted Date:2011-02-18 17:32:00.0
Response from Javier at Thorlabs to kendra.albers@gtri.gatech.edu: Thank you for submitting your request. The XT95P1 rail plate and XT95P2 right angle carriage are tapped with M6 holes. However, we can provide versions of these plates with 1/4"-20 holes. I will contact you directly to set up a formal quotation. http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=2302
Poster:kendra.albers
Posted Date:2011-02-18 16:18:29.0
Are there any rail carriages/ rail plates that work with the XT95SP rails that have 1/4-20 holes?
Poster:Thorlabs
Posted Date:2010-08-05 17:17:44.0
Response from Javier at Thorlabs to o.suttmann: Thank you for your feedback. The manufacturing of an XT95-CUSTRAIL requires a customized tool setup. Due to that, the overall price per rail significantly goes down when ordering quantities of 3 or more, since the same setup can be used for all rails. Regarding the lead time, we can try to expedite your order without any additional charges.
Poster:o.suttmann
Posted Date:2010-08-03 13:33:18.0
To whom it may concern, In my opinion, your XT95-CUSTRAIL is way too expensive. Especially, when taking into account up to four weeks of delivery time. Kind Regards, Oliver

95 mm Construction Rails

XT95P11 on Rail Side
Click to Enlarge

XT95P11 Drop-On Rail Carriage on Rail Side
  • Outer Wings Effectively Form Dovetail Mounting Surfaces
  • Tapped with Eight M6 Holes on Both Sides
  • Durable, Clear-Anodized Coating
  • Weight: 7.0 kg per Meter
  • Wings and Taps are Mechanically Compatible with Our Competitor's Rails

Our standard 95 mm Construction Rails have outer wings along their edges that form four effective dovetails (see image to the right). In addition, each rail side features two parallel T-slots spaced 1.81" (46.0 mm) apart. These features allow standard optomechanical components to be mounted directly to the rails, using rail carriages, rail plates, or T-nuts.

In addition, the outer wings are M6-tapped in eight locations. These tapped holes are positioned for direct mechanical compatibility with our leveling feet, base plate, and vacuum adapter, which together are designed to connect rails to each other or locate rail assemblies on flat surfaces.

The standard, four-sided rails are offered from stock in six lengths ranging from 250 to 2000 mm. If our pre-cut lengths do not suit your application, custom lengths from 50 mm to 2500 mm can be ordered by either using the XT95-CUSTRAIL field in the price box below or contacting Technical Support.

These construction rails are also offered as a rough-cut, unanodized extrusion (see below) for our customers who prefer to machine and finish the rails themselves. We also offer precision construction rails below which have a ±10 arcmin angular deviation tolerance.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
XT95-250 Support Documentation
XT95-25095 mm Construction Rail, Clear Anodized, L = 250 mm
$100.00
Today
XT95-500 Support Documentation
XT95-50095 mm Construction Rail, Clear Anodized, L = 500 mm
$147.00
Today
XT95-750 Support Documentation
XT95-75095 mm Construction Rail, Clear Anodized, L = 750 mm
$189.00
Today
XT95-1000 Support Documentation
XT95-100095 mm Construction Rail, Clear Anodized, L = 1000 mm
$221.00
Today
XT95-1500 Support Documentation
XT95-150095 mm Construction Rail, Clear Anodized, L = 1500 mm
$300.00
Today
XT95-2000 Support Documentation
XT95-200095 mm Construction Rail, Clear Anodized, L = 2000 mm
$337.00
Today
XT95-CUSTRAILCustomized Rail from 50 to 2500 mm , Enter custom Length

95 mm Precision Construction Rails

  • ±10 arcmin Parallelism for Rail End Surfaces
  • Outer Wings Effectively Form Dovetail Mounting Surfaces
  • Tapped with Eight M6 Holes on Both Ends
  • Four Ø3.0 mm Alignment Holes for Dowel Pins on Both Ends
  • Black-Anodized Coating
  • Weight: 7.0 kg per Meter
  • Wings and Taps are Mechanically Compatible with Our Competitor's Rails

These 95 mm Precision Construction Rails are similar to the rails sold above, but are designed to a higher angular tolerance for sensitive experimental setups. Precision 95 mm rails are used in the construction of our Cerna™ Microscope Bodies. Each rail side features two parallel T-slots spaced 1.81" (46.0 mm) apart. These features allow standard optomechanical components to be mounted directly to the rails, using rail carriages, rail plates, or T-nuts.

The outer wings are M6-tapped in eight locations. These tapped holes are positioned for direct mechanical compatibility with our leveling feet, base plate, and vacuum adapter, which together are designed to connect rails to each other or locate rail assemblies on flat surfaces. Precision rails additionally feature four Ø3.0 mm holes on each wing for use with alignment pins on Cerna components or custom setups. 

The standard, four-sided rails are offered from stock in six lengths ranging from 66 to 600 mm. If other lengths up to 1000 mm are needed, please contact Tech Support with inquiries.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
XT95B-66 Support Documentation
XT95B-66NEW!95 mm Precision Construction Rail, Black Anodized, L = 66 mm
$50.00
Today
XT95B-250 Support Documentation
XT95B-25095 mm Precision Construction Rail, Black Anodized, L = 250 mm
$115.00
Today
XT95B-300 Support Documentation
XT95B-300NEW!95 mm Precision Construction Rail, Black Anodized, L = 300 mm
$127.00
Today
XT95B-350 Support Documentation
XT95B-35095 mm Precision Construction Rail, Black Anodized, L = 350 mm
$139.00
Today
XT95B-400 Support Documentation
XT95B-40095 mm Precision Construction Rail, Black Anodized, L = 400 mm
$146.00
Today
XT95B-500 Support Documentation
XT95B-50095 mm Precision Construction Rail, Black Anodized, L = 500 mm
$162.00
Today
XT95B-600 Support Documentation
XT95B-60095 mm Precision Construction Rail, Black Anodized, L = 600 mm
$176.00
Today

95 mm Construction Rail, Raw Extrusion

  • Unanodized Extrusion for Custom Applications
  • 2 m (6.6') Length
  • Rail Ends are Not Tapped

The XT95RL2 is an unanodized, rough-cut extrusion for customers who prefer to machine and finish their own rails. Their aluminum construction makes it easy to machine them in your own machine shop.

Upon request, we can provide this extrusion in lengths up to 3.5 m (11.5'). 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
XT95RL2 Support Documentation
XT95RL295 mm Raw Rail Extrusion, Unanodized, L = 2 m
$210.00
Today

95 mm One-Sided Rails

HeNe Mounted on One-Sided Rail
Click to Enlarge

View Imperial Product List
Item #QtyDescription
HNL050R1HeNe Laser, 632.8 nm, 5 mW, Random, 120 VAC Power Supply Included
C15131Post Kinematic V-Clamp Mount, One PM4 Clamping Arm Included
P41Ø1.5" Mounting Post, 1/4"-20 Taps, L = 4"
XT95P121Rail Plate for 95 mm Rails, 1/4"-20 Tapped Holes
XT95SP-500195 mm One-Sided Construction Rail, Clear Anodized, L = 500 mm
PM41Large Adjustable Clamping Arm, 6-32 Threaded Post
View Metric Product List
Item #QtyDescription
HNL050R1HeNe Laser, 632.8 nm, 5 mW, Random, 120 VAC Power Supply Included
C1513/M1Post Kinematic V-Clamp Mount, Metric, One PM4/M Clamping Arm Included
P100/M1Ø1.5" Mounting Post, M6 Taps, L = 100 mm
XT95P12/M1Rail Plate for 95 mm Rails, M6 Tapped Holes
XT95SP-500195 mm One-Sided Construction Rail, Clear Anodized, L = 500 mm
PM4/M1Large Adjustable Clamping Arm, M4 Threaded Post
HeNe Laser on Rail Plate Can be Repositioned for Use in Multiple Setups
  • Smallest Footprint for One-Dimensional 95 mm Rail Constructions
  • Long Clearance Slots for Securing to an Optical Table
  • Bottom Relief Cut Provides Two Lines of Contact
  • Durable, Clear-Anodized Finish

Our One-Sided 95 mm Construction Rails feature the same mounting surface as our standard four-sided rails. In addition, each side of the rail contains several 2.00" (50.8 mm) long clearance slots spaced 2.00" apart that are designed to accept 1/4"-20 (M6) cap screws, and the bottom features a relief cut that stabilizes the rail against the surface to which it is mounted. This compact, versatile design allows XT95-based assemblies to be easily built on top of an optical table or breadboard.

These one-sided rails are offered from stock in 500 mm or 1000 mm lengths. If our pre-cut lengths do not suit your application, custom lengths from 50 to 2500 mm can be ordered by contacting Technical Support.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
XT95SP-500 Support Documentation
XT95SP-50095 mm One-Sided Construction Rail, Clear Anodized, L = 500 mm
$129.00
Today
XT95SP-1000 Support Documentation
XT95SP-100095 mm One-Sided Construction Rail, Clear Anodized, L = 1000 mm
$206.00
Today

End Plate for 95 mm Construction Rails

End Plate on 95 mm Construction Rail
Click to Enlarge

End Plate Mounted onto a 95 mm Construction Rail
  • Covers Ends of Most 95 mm XT95 Rails
  • Smooth, Polystyrene Finish
  • Four Counterbored Holes for M6 Cap Screws

The XT95EC1 end plate is designed for use with our XT95 and XT95B construction rails, sold above. This end plate covers the end of the construction rail, giving the rail a clean finish and preventing potential injury due to sharp edges. Using the four included M6 cap screws, the end plate mounts onto the counterbored holes located on each corner of the construction rail. Please note that using the XT95EC1 end plate with the XT95B Precision Construction Rails will cover up the four Ø3.0 mm dowel pin alignment holes.

This end plate is not compatible with our XT95RL2 or XT95SP rails.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
XT95EC1 Support Documentation
XT95EC1End Plate for 95 mm Construction Rails
$14.80
Today
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