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Ø1" Post Construction Cubes


  • Build Right-Angled 3D Constructions
  • Construction Cubes Contain 1/4"-20 (M6) Counterbored or Tapped Holes
  • One-Piece Aluminum Construction for High Rigidity

RM1G

RM1F

SH25LP38

Low-Profile Channel Screws

Ideal for Large 3D Structures

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Low-Profile Channel Screws

Low-Profile Channel Screws in RM1G

Construction Cubes
The RM1G and RM1F(/M) Construction Cubes aid in building rigid 3D structures from our Ø1" pedestal posts and other optomechanics. They are machined from a single block of aluminum, providing excellent rigidity, and their faces are parallel and perpendicular to within 0.002" (0.05 mm). The RM1G features three 1/4"-20 (M6) counterbores on adjacent faces, while the RM1F contains a centered 1/4"-20 (M6) tapped hole on all six sides. For the construction of light-tight optical enclosures, we also offer the RM1S Construction Cube, which is slotted to accept hardboard walls.

Low-Profile Channel Screws
In order to fasten optomechanics to the adjacent faces of the RM1G construction cube, our Low-Profile Channel Screws are required. These low-profile screws feature a shortened cap height relative to standard cap screws. This shortened cap allows the screws to be inserted into the RM1G at right angles, as shown to the right.


Posted Comments:
tcohen  (posted 2012-06-25 08:59:00.0)
Response from Tim at Thorlabs: Thank you for pointing this out! We have an engineer going over the drawings and series. The RM1G can be used with our SH6M10LP M6 channel screws, but we currently do not have plans for a fully metric (25mm) cube. We would love to get your feedback on this design’s benefits so that we can add it to our customer inspired ideas and I will contact you to continue this conversation.
iain  (posted 2012-06-20 08:24:26.0)
There is a mistake on the drawing of part RM1G. The length of the side of the cube should be 25.4 mm (and not 25 mm). Do you have any plans to introduce a fully metric 25-mm-square construction cube?
Thorlabs  (posted 2010-10-25 21:56:07.0)
Response from Thorlabs to last poster: We will look into modifying the /M cubes for fully metric dimensions. We have to evaluate the impact this design change would have on all the matching components. Please contact us at techsupport@thorlabs.com for follow up.
user  (posted 2010-10-25 14:48:45.0)
The metric version of the 1-inch construction cubes have, indeed, 1 inch long dimension. Only threads are changed. Would it be more logical to have a construction cube with 25.0mm external dimension?

Tapped Construction Cube

RM1F Junction
Click to Enlarge

RM1F Linking Four Ø1" Pillar Posts
RM1F Junction
Click to Enlarge
View Imperial Product List
Item #QtyDescription
RM1F11" Construction Cube with 1/4"-20 Tapped Holes
RS31Ø1" Pillar Post, 1/4"-20 Taps, L = 3", 8-32 Adapter Included
RS41Ø1" Pillar Post, 1/4"-20 Taps, L = 4", 8-32 Adapter Included
KM100B11.92" x 1.92" Kinematic Platform Mount
PM31Small Adjustable Clamping Arm, 6-32 Threaded Post
RM1C1Ø1" Post Clamp, 8-32 Tap, 8-32 Threaded Stud
View Metric Product List
Item #QtyDescription
RM1F/M125 mm Construction Cube with M6 Tapped Holes
RS75/M1Ø25.0 mm Pillar Post, M6 Taps, L = 75 mm, M4 Adapter Included
RS100/M1Ø25.0 mm Pillar Post, M6 Taps, L = 100 mm, M4 Adapter Included
KM100B/M148.6 mm x 48.6 mm Kinematic Platform Mount
PM3/M1Small Adjustable Clamping Arm, M4 Threaded Post
RM1C/M1Ø25.0 mm Post Clamp, M4 Tap, M4 Threaded Stud
RM1F Being Used to Mount Two Ø1" Pillar Posts at a Right Angle for an Optomechanical Assembly
  • Holds up to Six Optomechanics at Right Angles
  • One-Piece Aluminum Construction for Excellent Rigidity
  • Parallel and Perpendicular to Within 0.002" (0.05 mm)

The RM1F(/M) Construction Cube contains a centered 1/4"-20 (M6) tapped hole on all six sides. Since it is machined from a single block of aluminum, it is ideal for constructions that need the highest available degree of sturdiness. It can be connected to up to six optomechanics by using setscrews.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
RM1F Support Documentation
RM1F1" Construction Cube with 1/4"-20 Tapped Holes
$21.54
Today
+1 Qty Docs Part Number - Metric Price Available
RM1F/M Support Documentation
RM1F/M25 mm Construction Cube with M6 Tapped Holes
$21.54
Today

Counterbored Construction Cubes

RM1G Corner
Click to Enlarge

View Imperial Product List
Item #QtyDescription
RS63Ø1" Pillar Post, 1/4"-20 Taps, L = 6", 8-32 Adapter Included
RM1G11" Construction Cube, Three 1/4" (M6) Counterbored Holes
SH25LP3811/4"-20 Low-Profile Channel Screws (100 Screws/Box)
View Metric Product List
Item #QtyDescription
RS150/M3Ø25.0 mm Pillar Post, M6 Taps, L = 150 mm, M4 Adapter Included
RM1G11" Construction Cube, Three 1/4" (M6) Counterbored Holes
SH6M10LP1M6 x 1.0 Low-Profile Channel Screws (100 Screws/Box)
RM1G Linking Three Ø1" Pillar Posts
RM1S Corner
Click to Enlarge

View Imperial Product List
Item #QtyDescription
XE25L12212" Long Construction Rail
RM1G11" Construction Cube, Three 1/4" (M6) Counterbored Holes
SH25LP3811/4"-20 Low-Profile Channel Screws (100 Screws/Box)
TB41Black Hardboard, 24" x 24" (610 mm x 610 mm), 3/16" (4.76 mm) Thick, 3 Sheets
View Metric Product List
Item #QtyDescription
XE25L300/M2300 mm Long Construction Rail
RM1G11" Construction Cube, Three 1/4" (M6) Counterbored Holes
SH6M10LP1M6 x 1.0 Low-Profile Channel Screws (100 Screws/Box)
TB41Black Hardboard, 24" x 24" (610 mm x 610 mm), 3/16" (4.76 mm) Thick, 3 Sheets
RM1S Slotted Cube Securing a Hardboard Enclosure Wall
  • Hold up to Three Optomechanical Components at Right Angles
    • RM1G: Counterbored on Three Sides
    • RM1S: Counterbored on Three Sides and Slotted to Accommodate Enclosure Walls
  • One-Piece Aluminum Construction for Excellent Rigidity
  • Parallel and Perpendicular to Within 0.002" (0.05 mm)

These Construction Cubes contain three 1/4" (M6) counterbores on adjacent faces. They can be connected to up to three optomechanical components by tightening our Low-Profile Channel Screws (sold below) through the counterbores, as shown in the images to the right. In addition, the RM1S cube has slotted corners to accept posterboard and hardboard walls for the construction of light-tight optical enclosures. Since both these cubes are machined from a single block of aluminum, they are ideal for constructions that need to be as sturdy as possible. 

If compatibility with more than three optomechanical components is needed, or if components are to be placed on opposing faces, please consider the RM1F Construction Cube below.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RM1G Support Documentation
RM1G1" Construction Cube, Three 1/4" (M6) Counterbored Holes
$18.61
Today
RM1S Support Documentation
RM1S1" Construction Cube with Slotted Corners, Three 1/4" (M6) Counterbored Holes
$20.99
Today

Low-Profile Channel Screws

Low-Profile Channel Screw
Click to Enlarge

Low-Profile Screw in RM1G Construction Cube
Standard Cap Screw
Click to Enlarge

Standard Cap Screw in RM1G Construction Cube

Item # Threading Hex Head Height Length Material Quantity
SH25LP38 1/4"-20 1/8" 0.13" (3.2 mm) 0.34" (8.6 mm) Steel 100
SH6M10LP M6  4 mm 4 mm (0.16") 10 mm (0.39")

Our Low-Profile Channel Screws have a reduced cap head height relative to standard screws, permitting them to be used in tight spaces. In particular, they are recommended when neighboring screws are at a right angle and in close proximity, as in our XE25W3 Corner Cube or RM1G and RM1S Construction Cubes.

Shown to the right are a standard cap screw and a low-profile channel screw installed in an RM1G cube. The low-profile screw's shortened cap height prevents neighboring screws from interfering with each other.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
SH25LP38 Support Documentation
SH25LP381/4"-20 Low-Profile Channel Screws (100 Screws/Box)
$25.10
Today
+1 Qty Docs Part Number - Metric Price Available
SH6M10LP Support Documentation
SH6M10LPM6 x 1.0 Low-Profile Channel Screws (100 Screws/Box)
$25.10
Today
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