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Unanodized Solid Aluminum Optical Breadboards


  • Unanodized Finish Ideal for Customization
  • Through-Tapped Mounting Holes
  • Custom Sizes Available
  • Metric Boards Manufactured and Stocked in Europe

Counterbored Ø1/4"
(M6) Mounting Holes

MB4560U/M

450 mm x 600 mm x 12.7 mm, M6 Taps

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Specification Imperial Boards Metric Boards
Material 5083 Aluminum Tooling Plate
Finish Precision Ground, Matte Finish
Breadboard Thickness 0.5" 12.7 mm
Flatness ±0.006" over 1 ft2 ±0.15 mm over 0.3 m2
Hole Size and Spacing 1/4"-20 Tapped Holes on
1" Centers
M6 Tapped Holes on
25 mm Centers
Distance from Edge
to First Hole
0.5" on All Sides 12.5 mm on All Sides
Number of Counterbored Holesa  Four 1/4" Located at Corners - Inset 1" Four M6 Located at Corners - Inset 25 mm
  • 5th counterbored mounting hole placed at the center of larger imperial and metric boards (MB1218U, MB1224U, MB1824U, MB3045U/M, MB3060U/M, and MB4560U/M)

Features

  • Precision Manufactured Unanodized Surface
  • Electrically Conductive for Applications Requiring a Common Ground
  • Standard Imperial and Metric Breadboard Hole Patterns
  • Offset Counterbored Mounting Holes Allow a Full, Uninterrupted, Threaded Hole Matrix
  • Larger Breadboards [MB1218U (MB3045U/M) and Larger] Have a Fifth Center-Located Counterbore Mounting Hole
  • Double-DensityHigh-Density Versions, and Custom Sizes Available
  • All Boards Stocked for Quick Delivery

These solid aluminum, unanodized, nonmagnetic breadboards provide a convenient and cost-effective platform for those wishing to modify a breadboard to suit a specific prototype or experimental need. They are finished with a precision-ground surface and are through-drilled with a standard 1" (imperial) or 25 mm (metric) hole pattern offset 1/2" or 12.5 mm from the edges of the board, respectively. Each breadboard is constructed from 5083 aluminum that has never been anodized for ease of customization. Although the aluminum oxide coating traditionally applied to breadboards minimizes reflectance, it also increases the hardness of the end product, making anodized breadboards more difficult to machine. 

Each breadboard features four or five mounting holes, which are counterbored to create an uninterrupted surface for your application. The four standard mounting holes are located at each corner of the breadboard, inset 1" from each edge on imperial breadboards (25 mm on metric). The three largest imperial and metric boards (MB1218U, MB1224U, MB1824U, MB3045U/M, MB3060U/M, and MB4560U/M) have a fifth counterbored mounting hole in the center. Utilizing the center mounting hole increases the mounting options available, reduces stress at the corner mounting holes, and increases rigidity when heavy loads are placed on the boards. The mounting holes may be used to attach the breadboards to optical tables, other breadboards, mounting posts, brackets, or a variety of other surfaces or mounts.

Because the holes are threaded completely through these breadboards, components can be mounted on either side of the breadboards. Ø1.5" Mounting Posts allow for adjustments to the height of the optical axis by mounting the breadboards above the surface of an optical tabletop (or another breadboard). The breadboards can also be mounted vertically using 90° or Vertical Mounting Brackets.

In addition to facilitating customized hole patterns and modifications, the lack of an anodized coating on these breadboards also allows them to be used within a vacuum environment down to 10-6 Torr. Prior to use in a vacuum system, these breadboards will require additional treatment and cleaning. For additional information on preparing these breadboards for vacuum applications, please contact Tech Support.

Black Anodized Aluminum Breadboards are also available in a variety of sizes. The black anodized coating on these breadboards is ideal for limiting stray reflections in an optical system.

Custom Breadboards
We offer a service for custom breadboard orders, with options that include hole pattern and spacing, size, thickness, and anodizing. For a quote, please fill out our custom breadboards form.

Item # Dimensions
(L x W x T)
Unpackaged Packaged Shipping
Mass (kg) Weight (lbs) Mass (kg)a Weight (lbs)a
MB4U 4" x 4" x 0.5" 0.33 0.73 0.50 1.10
MB6U 6" x 6" x 0.5" 0.75 1.65 0.81 1.79
MB8U 8" x 8" x 0.5" 1.34 2.95 2.00 4.41
MB810U 8" x 10" x 0.5" 1.68 3.70 2.40 5.29
MB1012U 10" x 12" x 0.5" 2.52 5.56 3.50 7.72
MB12U 12" x 12" x 0.5" 3.02 6.66 4.00 8.82
MB1218U 12" x 18" x 0.5" 4.54 10.01 5.84 12.86
MB1224U 12" x 24" x 0.5" 6.05 13.34 7.00 15.43
MB1824U 18" x 24" x 0.5" 9.09 20.04 11.02 24.29
 
MB1015U/M 100 mm x 150 mm x 12.7 mm 0.48 1.06 0.70 1.54
MB1515U/M 150 mm x 150 mm x 12.7 mm 0.73 1.61 0.92 2.03
MB2020U/M 200 mm x 200 mm x 12.7 mm 1.30 2.87 2.00 4.41
MB2025U/M 200 mm x 250 mm x 12.7 mm 1.62 3.57 1.82 4.01
MB2530U/M 250 mm x 300 mm x 12.7 mm 2.44 5.37 3.40 7.49
MB3030U/M 300 mm x 300 mm x 12.7 mm 2.93 6.46 3.90 8.60
MB3045U/M 300 mm x 450 mm x 12.7 mm 4.40 9.70 5.61 12.37
MB3060U/M 300 mm x 600 mm x 12.7 mm 5.86 12.92 6.80 14.99
MB4560U/M 450 mm x 600 mm x 12.7 mm 8.80 19.40 10.73 23.66
  • These weights are approximate and are subject to change. The information is only to be used as a guideline

Posted Comments:
justinjh  (posted 2018-12-10 15:20:58.57)
I would like to order a MB6U but with double density holes. Is that possible?
AManickavasagam  (posted 2018-12-13 09:12:20.0)
Response from Arunthathi at Thorlabs: Thanks for your query. Yes, we are able to offer double density MB6U. We will contact you directly with a quote.

Solid, Unanodized Aluminum Breadboards, Imperial

  • Breadboard Sizing: Length x Width x Thickness
  • Threading: All Imperial Breadboards Feature 1/4"-20 Threads on 1" Centers
  • MB4U, MB6U, MB8U, MB810U, MB1012U, and MB12U Have Four Counterbored Mounting Holes
  • MB1218U, MB1224U, and MB1824U Have Five Counterbored Mounting Holes
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
MB4U Support Documentation
MB4UCustomer Inspired! Unanodized Aluminum Breadboard, 4" x 4" x 1/2", 1/4"-20 Taps
$42.02
Today
MB6U Support Documentation
MB6UCustomer Inspired! Unanodized Aluminum Breadboard, 6" x 6" x 1/2", 1/4"-20 Taps
$48.33
Today
MB8U Support Documentation
MB8UCustomer Inspired! Unanodized Aluminum Breadboard, 8" x 8" x 1/2", 1/4"-20 Taps
$102.18
Today
MB810U Support Documentation
MB810UCustomer Inspired! Unanodized Aluminum Breadboard, 8" x 10" x 1/2", 1/4"-20 Taps
$138.68
Today
MB1012U Support Documentation
MB1012UCustomer Inspired! Unanodized Aluminum Breadboard, 10" x 12" x 1/2", 1/4"-20 Taps
$153.39
Today
MB12U Support Documentation
MB12UCustomer Inspired! Unanodized Aluminum Breadboard, 12" x 12" x 1/2", 1/4"-20 Taps
$163.20
Today
MB1218U Support Documentation
MB1218UCustomer Inspired! Unanodized Aluminum Breadboard, 12" x 18" x 1/2", 1/4"-20 Taps
$195.84
Today
MB1224U Support Documentation
MB1224UCustomer Inspired! Unanodized Aluminum Breadboard, 12" x 24" x 1/2", 1/4"-20 Taps
$262.14
Today
MB1824U Support Documentation
MB1824UCustomer Inspired! Unanodized Aluminum Breadboard, 18" x 24" x 1/2", 1/4"-20 Taps
$405.53
Today

Solid, Unanodized Aluminum Breadboards, Metric

  • Breadboard Sizing: Length x Width x Thickness
  • Threading: All Metric Breadboards Feature M6 Threads on 25 mm Centers
  • MB1015U/M, MB1515U/M, MB2020U/M, MB2025U/M, MB2530U/M, and MB3030U/M Have Four Counterbored Mounting Holes
  • MB3045U/M, MB3060U/M, and MB4560U/M Have Five Counterbored Mounting Holes
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Metric Price Available
MB1015U/M Support Documentation
MB1015U/MCustomer Inspired! Unanodized Aluminum Breadboard, 100 mm x 150 mm x 12.7 mm, M6 Taps
$44.92
Today
MB1515U/M Support Documentation
MB1515U/MCustomer Inspired! Unanodized Aluminum Breadboard, 150 mm x 150 mm x 12.7 mm, M6 Taps
$48.33
Today
MB2020U/M Support Documentation
MB2020U/MCustomer Inspired! Unanodized Aluminum Breadboard, 200 mm x 200 mm x 12.7 mm, M6 Taps
$102.18
Today
MB2025U/M Support Documentation
MB2025U/MCustomer Inspired! Unanodized Aluminum Breadboard, 200 mm x 250 mm x 12.7 mm, M6 Taps
$138.68
Today
MB2530U/M Support Documentation
MB2530U/MCustomer Inspired! Unanodized Aluminum Breadboard, 250 mm x 300 mm x 12.7 mm, M6 Taps
$153.39
Today
MB3030U/M Support Documentation
MB3030U/MCustomer Inspired! Unanodized Aluminum Breadboard, 300 mm x 300 mm x 12.7 mm, M6 Taps
$168.10
Today
MB3045U/M Support Documentation
MB3045U/MCustomer Inspired! Unanodized Aluminum Breadboard, 300 mm x 450 mm x 12.7 mm, M6 Taps
$201.72
Today
MB3060U/M Support Documentation
MB3060U/MCustomer Inspired! Unanodized Aluminum Breadboard, 300 mm x 600 mm x 12.7 mm, M6 Taps
$270.00
Today
MB4560U/M Support Documentation
MB4560U/MCustomer Inspired! Unanodized Aluminum Breadboard, 450 mm x 600 mm x 12.7 mm, M6 Taps
$405.53
Today
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