Slip Rings and Clamps


SM05RC

Slip Ring
Accepts Ø0.70"

SM2RC

Slip Ring
Accepts Ø2.20"

C1RC

Slip Ring
Accepts Ø1.00"

C2RC

Slip Ring
Accepts Ø2.00"

SM1TC

Tube Clamp
Accepts Ø1.20"

C174TC

Tube Clamp
Accepts Ø1.74"

  • Compact Fixed Mounts for Cylindrical Components
  • Mount SM05, SM1, SM30, SM1.5, SM2, or SM3 Lens Tubes
  • Mount C-Mount Extension Tubes or Cylindrical Objects

Application Idea

Ø1.20" Mounted LED in an SM1RC Slip Ring

Related Items


Please Wait
SM1TC with Lens Tube and Post
SM1TC Clamp Shown with
SM1 Lens Tube and Ø1/2" Post

Features

  • Slip Ring Mounts and Clamps for Cylindrical Components
  • Tube Clamps for Easy Installation and Removal
  • Mount SM05, SM1, SM30, SM1.5, SM2, or SM3 Lens Tubes
  • Mount Cylindrical Components with Diameters from 0.59" to 3.2" (See Below for Available Sizes)

Thorlabs' Slip Rings and Clamps are both designed to enable post mounting of cylindrical components. With slip rings, lens tube systems and other cylindrical components can be mounted by passing them through the clear aperture of the ring and then securing the flexure lock. In contrast, the clamps enable drop-in installation and removal of cylindrical components, as shown in the image to the right. These clamps and slip rings can be attached to any of our Ø1/2" posts or other rigid construction components. They are available for SM05-, SM1-, SM30-, SM1.5-, SM2-, or SM3-threaded lens tubes; C-Mount extension tubes; as well as cylindrical objects with a variety of other diameters (see tables below).

Thorlabs also offers a variety of other fixed mounts, including a series of threaded fixed lens mounts.


Posted Comments:
Jean-Michel Melkonian  (posted 2021-09-16 13:37:22.04)
dear thorlabs, I think you could propose C25R/M as a more secure alternative to the slip-on clamp RM1A/M.
cdolbashian  (posted 2021-10-05 10:26:07.0)
Thank you for reaching out to us at Thorlabs with your suggestion. one of the notable main differences between these two devices is the ease of positional adjustment. The C25R must be slid over the end of the 1" post, while the RM1A(/M) can be added or removed directly on the side of a 1" post. While they serve similar functions, they are not direct substitutes in certain experimental conditions. That all being said, in certain applications, the C25R(/M) would indeed be a good alternative.
Majid khan  (posted 2021-03-03 10:32:47.303)
Hello, I need a holding clamp for holding a lense condensor having an externl diameter of 48mm.
YLohia  (posted 2021-03-12 04:03:13.0)
Hello, please see our SCL04 Self-Centering Lens Mount for your application.
Ludovic Angot  (posted 2019-06-21 02:28:03.17)
A minor suggestion for this page: in your component compatibility table you could add a row for the accepted component diameter in millimeter for convenience.
mmcclure  (posted 2019-06-21 08:09:33.0)
Hello, thank you for your feedback. We will look into updating the presentation with this information.
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Slip Rings

Item # Compatible Components Inner
Diameter
Locking
Screw Hex
C12.5RC(/M) Ø12.5 mm (Ø0.492") Components 0.50"
(12.6 mm)
7/64"
(2.5 mm)
C05RC(/M) Ø1/2" (Ø12.7 mm) Components 0.51"
(12.8 mm)
7/64"
(2.5 mm)
SM05RC(/M) Ø0.70" (Ø17.8 mm) Components
Such as SM05 Lens Tubes
0.71"
(17.9 mm)
7/64"
(2.5 mm)
SM087RC(/M) Ø0.865" (Ø22.0 mm) Components
Such as Optical Isolators
0.870"
(22.0 mm)
7/64"
(2.5 mm)
C25RC(/M) Ø25 mm (Ø0.984") Components 0.99"
(25.1 mm)
9/64"
(3.0 mm)
C1RC(/M) Ø1.00" (Ø25.4 mm) Components 1.01"
(25.5 mm)
9/64"
(3.0 mm)
SM1RC(/M) Ø1.20" (Ø30.5 mm) Components
Such as SM1 Lens Tubes and
C-Mount Extension Tubes
1.21"
(30.6 mm)
9/64"
(3.0 mm)
C127RC(/M) Ø1.27" (Ø32.3 mm) Components
Such as Aluminum Lens Tube Covers
1.27"
32.3 mm
9/64"
(3.0 mm)
SM30RC(/M) Ø1.38" (Ø35.0 mm) Components
Such as SM30 Lens Tubes
1.39"
(35.2 mm)
9/64"
(3.0 mm)
SM1.5RC(/M) Ø1.70" (Ø43.2 mm) Components
Such as SM1.5 Lens Tubes
1.71"
(43.3 mm)
9/64"
(3.0 mm)
C50RC(/M) Ø50 mm (Ø1.969") Components 1.97"
(50.1 mm)
5/32"
(5.0 mm)
C2RC(/M) Ø2.00" (Ø50.8 mm) Components 2.01"
(50.9 mm)
5/32"
(4.0 mm)
SM2RC(/M) Ø2.20" (Ø55.9 mm) Components
Such as SM2 Lens Tubes
2.21"
(56.0 mm)
5/32"
(4.0 mm)
SM3RC(/M) Ø3.20" (Ø81.3 mm) Components
Such as SM3 Lens Tubes
3.21"
(81.4 mm)
5/32"
(4.0 mm)
  • Hold Outer Diameter of SM05, SM1, SM30, SM1.5, SM2, or SM3 Lens Tubes as well as C-Mount Extension Tubes
  • Mount Ø1/2", Ø12.5 mm, Ø0.865", Ø25 mm, Ø1.00", Ø1.27",
    Ø50 mm and Ø2.00" Cylindrical Components
  • Flat Sides Conserve Space
  • 8-32 (M4) Mounting Hole for use with Ø1/2" Posts

These Slip Rings are designed to mount cylindrical components using a flexure mechanism that is actuated with a locking screw. The SM05RC(/M), SM1RC(/M), SM30RC(/M), SM1.5RC(/M), SM2RC(/M), and SM3RC(/M) are ideal for mounting SM05-, SM1-, SM30-, SM1.5-, SM2-, and SM3-threaded lens tubes, respectively. The C05RC(/M), SM087RC(/M), C1RC(/M), C127(/M), and C2RC(/M) are designed to mount cylindrical components with outer diameters of Ø1/2", Ø0.865", Ø1.00", Ø1.27", and Ø2.00", respectively. The C12.5RC(/M), C25RC(/M), and C50RC(/M) are designed to mount cylindrical components with outer diameters of Ø12.5 mm, Ø25 mm, and Ø50 mm, respectively.

The small body design and flat sides of these slip rings make them versatile and easy to integrate into existing systems. The locking screw is conveniently located along the top surface of the mount for easy access. These slip rings can easily be mounted to any of our Ø1/2" posts via the bottom-located 8-32 (M4) tap. Refer to the table to the right for locking screw hex sizes. 

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
C12.5RC Support Documentation
C12.5RCCustomer Inspired! Slip Ring for Ø12.5 mm (Ø0.492") Components, 8-32 Tap
$25.18
Today
C05RC Support Documentation
C05RCSlip Ring for Ø1/2" (Ø12.7 mm) Components, 8-32 Tap
$25.18
Today
SM05RC Support Documentation
SM05RCSlip Ring for SM05 Lens Tubes, 8-32 Tap
$23.39
Today
SM087RC Support Documentation
SM087RCSlip Ring for Ø0.865" Optical Isolators, 8-32 Tap
$25.54
Today
C25RC Support Documentation
C25RCCustomer Inspired! Slip Ring for Ø25 mm (Ø0.984") Components, 8-32 Tap
$30.28
Today
C1RC Support Documentation
C1RCSlip Ring for Ø1" (Ø25.4 mm) Components, 8-32 Tap
$30.28
Today
SM1RC Support Documentation
SM1RCSlip Ring for SM1 Lens Tubes and C-Mount Extension Tubes,
8-32 Tap
$27.56
Today
C127RC Support Documentation
C127RCCustomer Inspired! Slip Ring for Ø1.27" (Ø32.3 mm) Components, 8-32 Tap
$31.02
Today
SM30RC Support Documentation
SM30RCSlip Ring for SM30 Lens Tubes, 8-32 Tap
$31.77
Today
SM1.5RC Support Documentation
SM1.5RCCustomer Inspired! Slip Ring for SM1.5 Lens Tubes, 8-32 Tap
$33.92
Today
C50RC Support Documentation
C50RCCustomer Inspired! Slip Ring for Ø50 mm (Ø1.969") Components, 8-32 Tap
$44.85
Today
C2RC Support Documentation
C2RCSlip Ring for Ø2" (Ø50.8 mm) Components, 8-32 Tap
$44.85
Today
SM2RC Support Documentation
SM2RCSlip Ring for SM2 Lens Tubes, 8-32 Tap
$35.05
Today
SM3RC Support Documentation
SM3RCSlip Ring for SM3 Lens Tubes, 8-32 Tap
$45.15
Today
+1 Qty Docs Part Number - Metric Price Available
C12.5RC/M Support Documentation
C12.5RC/MCustomer Inspired! Slip Ring for Ø12.5 mm (Ø0.492") Components, M4 Tap
$25.18
Today
C05RC/M Support Documentation
C05RC/MSlip Ring for Ø1/2" (Ø12.7 mm) Components, M4 Tap
$25.18
Today
SM05RC/M Support Documentation
SM05RC/MSlip Ring for SM05 Lens Tubes, M4 Tap
$23.39
Today
SM087RC/M Support Documentation
SM087RC/MSlip Ring for Ø0.865" Optical Isolators, M4 Tap
$25.54
Today
C25RC/M Support Documentation
C25RC/MCustomer Inspired! Slip Ring for Ø25 mm (Ø0.984") Components, M4 Tap
$30.28
Today
C1RC/M Support Documentation
C1RC/MSlip Ring for Ø1" (Ø25.4 mm) Components, M4 Tap
$30.28
Today
SM1RC/M Support Documentation
SM1RC/MSlip Ring for SM1 Lens Tubes and C-Mount Extension Tubes,
M4 Tap
$27.56
Today
C127RC/M Support Documentation
C127RC/MCustomer Inspired! Slip Ring for Ø1.27" (Ø32.3 mm) Components, M4 Tap
$31.02
Today
SM30RC/M Support Documentation
SM30RC/MSlip Ring for SM30 Lens Tubes, M4 Tap
$31.77
Today
SM1.5RC/M Support Documentation
SM1.5RC/MCustomer Inspired! Slip Ring for SM1.5 Lens Tubes, M4 Tap
$33.92
Today
C50RC/M Support Documentation
C50RC/MCustomer Inspired! Slip Ring for Ø50 mm (Ø1.969") Components, M4 Tap
$44.85
Today
C2RC/M Support Documentation
C2RC/MSlip Ring for Ø2" (Ø50.8 mm) Components, M4 Tap
$44.85
Today
SM2RC/M Support Documentation
SM2RC/MSlip Ring for SM2 Lens Tubes, M4 Tap
$35.05
Today
SM3RC/M Support Documentation
SM3RC/MSlip Ring for SM3 Lens Tubes, M4 Tap
$45.15
Today
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Tube Clamps

Item # Compatible Components Inner
Diameter
Locking
Screw Hex
C059TC Ø0.59" (Ø14.9 mm) Components
Such as Multimode Rotary Joint Patch Cables and Optogenetic Rotary Patch Cables
0.59"
(15.0 mm)
5/64"
(2.0 mm)
SM05TC Ø0.70" (Ø17.8 mm) Components
Such as SM05 Lens Tubes
0.71"
(17.9 mm)
5/64"
(2.0 mm)
SM1TC Ø1.20" (Ø30.5 mm) Components
Such as SM1 Lens Tubes and
C-Mount Extension Tubes
1.21" 
(30.6 mm)
5/64"
(2.0 mm)
C127TC Ø1.27" (Ø32.3 mm) Components
Such as Aluminum Lens Tube Covers
1.27"
(32.3 mm)
5/64"
(2.0 mm)
SM30TC Ø1.38" (Ø35.0 mm) Components
Such as SM30 Lens Tubes
1.39"
(35.2 mm)
5/64"
(2.0 mm)
C15TC Ø1.50" (Ø38.1 mm) Components 1.51"
(38.4 mm)
5/64"
(2.0 mm)
SM1.5TC Ø1.70" (Ø43.2 mm) Components
Such as SM1.5 Lens Tubes
1.71"
(43.3 mm)
5/64"
(2.0 mm)
C174TC Ø1.74" (Ø44.2 mm) Components
Such as HeNe Tube Lasers
1.74"
(44.2 mm)
5/64"
(2.0 mm)
SM2TC Ø2.20" (Ø55.9 mm) Components
Such as SM2 Lens Tubes
2.21"
(56.0 mm)
5/64"
(2.0 mm)
SM3TC Ø3.20" (Ø81.3 mm) Components
Such as SM3 Lens Tubes
3.21"
(81.4 mm)
5/64"
(2.0 mm)
  • Drop-In Installation and Removal of Cylindrical Components
  • 3-Point Contact Provides Stable Mounting
  • Hold Outer Diameter of  SM05, SM1, SM30, SM1.5, SM2, or SM3 Lens Tubes as well as C-Mount Extension Tubes
  • Mount Ø0.59", Ø1.27", Ø1.50", and Ø1.74" Cylindrical Components

These clamps are designed to enable easy installation and removal of cylindrical components from optical systems. In particular, the SM05TC, SM1TC, SM30TC, SM1.5TC, SM2TC, and SM3TC are ideal for mounting SM05-, SM1-, SM30-, SM1.5-, SM2-, and SM3-threaded lens tubes, respectively. The C127TC, C15TC, and C174TC are designed to mount cylindrical components with outer diameters of 1.27", 1.50", and 1.74", respectively. The C059TC is designed to hold our Multimode Fiber Optic Rotary Joint and our Optogenetic Rotary Patch Cables.

To remove a lens tube, simply unscrew the locking screw, flip the mount open, and lift the tube straight up and out. This feature is useful for users who do not have the room to slide the entire component out of a mount due to tight space constraints.

This series of clamps can easily be mounted to any of our Ø1/2" posts using the #8 (M4) counterbore on the bottom of the clamp, or to our mini-series posts using either a #4 washer and 4-40 cap screw or an M3 washer and M3 x 0.5 cap screw. Refer to the table to the right for locking screw hex sizes.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
C059TC Support Documentation
C059TCClamp for Ø0.59" (Ø14.9 mm) Rotary Joint Patch Cables
$55.90
Today
SM05TC Support Documentation
SM05TCClamp for SM05 Lens Tubes
$46.33
Today
SM1TC Support Documentation
SM1TCClamp for SM1 Lens Tubes and C-Mount Extension Tubes
$50.18
Today
C127TC Support Documentation
C127TCClamp for Ø1.27" (Ø32.3 mm) Components
$50.18
Today
SM30TC Support Documentation
SM30TCClamp for SM30 Lens Tubes
$51.38
Today
C15TC Support Documentation
C15TCClamp for Ø1.50" (Ø38.1 mm) Components
$51.98
Today
SM1.5TC Support Documentation
SM1.5TCCustomer Inspired! Clamp for SM1.5 Lens Tubes
$54.16
Today
C174TC Support Documentation
C174TCClamp for Ø1.74" (Ø44.2 mm) HeNe Lasers
$52.28
Today
SM2TC Support Documentation
SM2TCClamp for SM2 Lens Tubes
$55.38
Today
SM3TC Support Documentation
SM3TCClamp for SM3 Lens Tubes
$63.32
Today