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Mechanical Component Bases


  • Direct Mounting of Mechanical Components on Base
  • Studded or Tapped Versions Available
  • Articulated Base Levels Mounted Components

SWB

Articulated
Mounting Base

BE2

Ø1.25", 8-32 Studded Base

BE1T

Ø1.25", 1/4"-20 Tapped Base

PB4

Ø1.85", 1/4"-20 Studded Base

±6°

BE1R

Ø1.25", 1/4"-20 Studded Magnetic Base

Related Items


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TRB1 Locking Ball and Socket Mount Mounted with BE2 Base
Click to Enlarge

A Machined Ring on Metric Parts Allows for Easy Identification

Features

  • Ø1.25" Bases
    • Studded for 1/4"-20 (M6) or 8-32 (M4) Tapped Components
    • 8-32 (M4) or 1/4"-20 (M6) Tapped Hole for Counterbored Components
    • Articulated Base for 1/4"-20 (M6) Tapped Components
  • Ø1.85" Studded Base for 1/4"-20 (M6) Tapped Components
  • Fixed Bases Raise Components Only 0.19" (4.7 mm) or 0.24" (6.1 mm) above Optical Table
  • Enables Close or Arbitrary Mounting of Mechanical Components on an Optical Table or Breadboard

Thorlabs offers a selection of bases on which mechanical components can be directly mounted. Each fixed Ø1.25" (Ø31.8 mm) or Ø1.85" (Ø47.0 mm) base is machined from a single piece of stainless steel for enhanced stability and provides either a threaded tap or stud. We also offer a Ø1.25" (Ø31.8 mm) mounting base with an articulated 1/4"-20 (M6) threaded mounting stud that is ideal for leveling components on an optical table or breadboard. These bases can be secured to the optical table or breadboard using a clamping fork or a CL8 table clamp.


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Ø1.25" Studded Mechanical Component Bases

TRB1 Locking Ball and Socket Mount Mounted with BE2 Base
Click to Enlarge

A TRB1 Locking Ball and Socket Mount is threaded onto a BE2 Base, which is secured by a CF125 Clamping Fork.

Click to Enlarge

The BE1R has a magnet in the base for stability in temporary setups.
  • Mount 1/4"-30 (M6) or 8-32 (M4) Tapped Components in an Arbitrary Position 0.19" (4.7 mm) Above the Breadboard
  • Clamping Fork or CL8 Table Clamp Secures Base to a Breadboard or Table
  • 1/8" (3 mm) Hex Socket on Bottom for Tightening (Click the Zoom Link to the Left for Photograph)
  • Machined Bottom Relief Cut for Added Stability

The BE1(/M), BE1R(/M), and BE2(/M) Studded Bases allow 1/4"-20 (M6) or 8-32 (M4) tapped optomechanical components to be mounted in an arbitrary position 0.19" (4.7 mm) above the breadboard. The BE1R(/M) adapters additionally have a magnet in the base that is sufficiently strong to securely hold the base in place without clamping to an optical table. These bases are Ø1.25" (Ø31.8 mm) and feature a 1/8" (3 mm) hex socket on the bottom for tightening.

To secure the base, a clamping fork (shown in the photo to the right) or a CL8 table clamp can be used. The BE1(/M) base adapter is available in a pack of five for ease of ordering.

Item # BE1(/M) BE1R(/M) BE2(/M)
Stud Thread 1/4"-20 (M6) 1/4"-20 (M6) 8-32 (M4)
Stud Length 0.30" (7.6 mm) 0.30" (7.6 mm) 0.15" (3.8 mm)
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
BE1 Support Documentation
BE1Ø1.25" Studded Pedestal Base Adapter, 1/4"-20 Thread
$10.06
Today
BE1-P5 Support Documentation
BE1-P5Customer Inspired! Ø1.25" Studded Pedestal Base Adapter, 1/4"-20 Thread, 5 Pack
$50.32
Today
BE1R Support Documentation
BE1RCustomer Inspired! Ø1.25" Magnetic Studded Pedestal Base Adapter, 1/4"-20 Thread
$17.75
Today
BE2 Support Documentation
BE2Customer Inspired! Ø1.25” Studded Mechanical Component Base, 8-32 Thread
$12.24
Today
+1 Qty Docs Part Number - Metric Price Available
BE1/M Support Documentation
BE1/MØ31.8 mm Studded Pedestal Base Adapter, M6 Thread
$10.06
Today
BE1/M-P5 Support Documentation
BE1/M-P5Customer Inspired! Ø31.8 mm Studded Pedestal Base Adapter, M6 Thread, 5 Pack
$50.30
Today
BE1R/M Support Documentation
BE1R/MCustomer Inspired! Ø31.8 mm Magnetic Studded Pedestal Base Adapter, M6 Thread
$17.75
Today
BE2/M Support Documentation
BE2/MCustomer Inspired! Ø31.8 mm Studded Mechanical Component Base, M4 Thread
$12.24
Today

Ø1.25" Tapped Mechanical Component Bases

Optomechanical Base, Polaris
Click to Enlarge
View Imperial Product List
Item #QtyDescription
Imperial Product List
POLARIS-K05F61Polaris® Low Distortion Ø1/2" Mirror Mount, 3 Hex Adjusters with Lock Nuts
BE2T1Tapped Mechanical Component Base, 8-32 Thread
CL82Ø1" and Ø1.5" Pedestal Post Table Clamp
SH25S06311/4"-20 Stainless Steel Cap Screw, 5/8" Long, Pack of 25
W25S05011/4" Washer, M6 Compatible, Stainless Steel, Pack of 100
View Metric Product List
Item #QtyDescription
Metric Product List
POLARIS-K05F61Polaris® Low Distortion Ø1/2" Mirror Mount, 3 Hex Adjusters with Lock Nuts
BE2T/M1Tapped Mechanical Component Base, M4 Thread
CL82Ø1" and Ø1.5" Pedestal Post Table Clamp
SH6MS161M6 x 1.0 Stainless Steel Cap Screw, 16 mm Long, Pack of 25
W25S05011/4" Washer, M6 Compatible, Stainless Steel, Pack of 100
POLARIS-K05F6 Ø1/2" Mirror Mount is shown on a BE2T Base secured to the breadboard by two CL8 Table Clamps. Please note that a 3/8" (10 mm) long 8-32 (M4) low-profile cap screw is recommended for mounting the Polaris onto this base.
  • Mount Counterbored Components in an Arbitrary Position 0.19" (4.7 mm) Above the Breadboard
  • 8-32 (M4) and 1/4"-20 (M6) Tapped Versions Available
  • CF125 or CF175 Clamping Fork or CL8 Table Clamp Secures Base to a Breadboard
  • Machined Bottom Relief Cuts for Added Stability

The BE2T(/M) and BE1T(/M) Tapped Bases allow counterbored optomechanical components to be mounted in an arbitrary position 0.19" (4.7 mm) above the breadboard. The BE2T(/M) offers an 8-32 (M4) tap, while the BE1T(/M) has a 1/4"-20 (M6) tap. 

To secure these Ø1.25" (Ø31.8 mm) bases, a CF125 or CF175 clamping fork or a CL8 table clamp (shown in the photo to the right) can be used. However, using these items will restrict the width of the component being mounted to a maximum of 1". 

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
BE2T Support Documentation
BE2TCustomer Inspired! Tapped Mechanical Component Base, 8-32 Thread
$10.06
Today
BE1T Support Documentation
BE1TCustomer Inspired! Tapped Mechanical Component Base, 1/4"-20 Thread
$10.06
Today
+1 Qty Docs Part Number - Metric Price Available
BE2T/M Support Documentation
BE2T/MCustomer Inspired! Tapped Mechanical Component Base, M4 Thread
$10.06
Today
BE1T/M Support Documentation
BE1T/MCustomer Inspired! Tapped Mechanical Component Base, M6 Thread
$10.06
Today

Ø1.25" Articulated Mounting Base

Articulated Mounting Base
Click for Details

View Imperial Product List
Item #QtyDescription
SWB1Articulated Mounting Base, 1/4"-20 Threaded Stud, Qty. 1
CF1251Clamping Fork, 1.24" Counterbored Slot, Universal
MB61Aluminum Breadboard 6" x 6" x 1/2", 1/4"-20 Taps
LVL0111.25" Circular Bullseye Level
BMF41Breadboard Mounting Feet (Imperial), Set of 4
View Metric Product List
Item #QtyDescription
SWB/M1Articulated Mounting Base, M6 x 1.0 Threaded Stud, Qty. 1
CF1251Clamping Fork, 1.24" Counterbored Slot, Universal
MB1515/M1Aluminum Breadboard, 150 mm x 150 mm x 12.7 mm, M6 Taps
LVL0111.25" Circular Bullseye Level
BMF4/M1Breadboard Mounting Feet (Metric), Set of 4
Mounting Base Being Used to Level and Secure an Optical Breadboard
Articulated Mounting Base
Click to Enlarge

SWB Mounting Base with Locking
Nut Removed
SWD Diagram
Click for Details

Cross Sectional View of
the SWB(/M) Base
  • 0.66" Long, 1/4"-20 (M6) Threaded Mounting Stud
  • CF125 or CF175 Clamping Fork (Sold Separately) Secures Base and Locks Swivel Joint 
  • ±6° Swivel Compensates for Uneven Surfaces
  • Locking Nut Included for Height Adjustments
  • 1/8" (3 mm) Hex Socket on Bottom for Tightening
  • Machined Bottom Relief Cut for Added Stability

Thorlabs' SWB(/M) Articulated Mounting Base can be used to stabilize and level a mounted component, such as a breadboard, or to correct for beam pointing errors. It features a 0.66" long, 1/4"-20 (M6) threaded mounting stud with ±6° of freedom in all directions to adjust for uneven work surfaces or compensate for angular misalignment. The base can be secured to an optical table or breadboard using a clamping fork, such as the CF125 or CF175, as shown in the photo to the right. Securing the base in place with a clamping fork will lock the articulated joint in position.

A Ø1" tapered locking nut is included for components requiring a larger support surface and provides 0.375" of vertical height adjustment. The tapered design prevents the locking nut from contacting a clamping fork when being secured in place. Additionally, torque holes that accept a 5/64" hex key are included in the lock nut and mounting stud to aid in securing a mounted component at a specific height. A 1/8" (3 mm) hex socket is also included on the bottom of the mounting base to actuate the threaded mounting stud. 

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
SWB Support Documentation
SWBArticulated Mounting Base, 1/4"-20 Threaded Stud, Qty. 1
$49.78
Today
+1 Qty Docs Part Number - Metric Price Available
SWB/M Support Documentation
SWB/MArticulated Mounting Base, M6 x 1.0 Threaded Stud, Qty. 1
$49.78
Today

Ø1.85" Studded Mechanical Component Base

Motorized Filter Wheel, Mount
Click to Enlarge
An FW102C Motorized Filter Wheel is mounted on a PB4 Base, which is secured to the table with a CL8 Table Clamp.
  • Mount 1/4"-20 (M6) Tapped Components in an Arbitrary Position 0.24" (6.1 mm) Above the Breadboard
  • PF175 Clamping Fork or CL8 Table Clamp Secures Base to a Breadboard or Table
  • 1/8" (3 mm) Hex Socket on Bottom for Tightening
  • Machined Bottom Relief Cut for Added Stability

The PB4(/M) Studded Base allows 1/4"-20 (M6) tapped optomechanical components to be mounted in an arbitrary position 0.24" (6.1 mm) above the breadboard. This Ø1.85" (Ø47.0 mm) base has a 0.26" (6.6 mm) long, 1/4"-20 (M6) stud on the top and a 1/8" (3 mm) hex socket on the bottom for tightening.

To secure the base, a PF175 clamping fork or a CL8 table clamp (shown in the photo to the right) can be used. However, using these items will restrict the width of the component being mounted to a maximum of 1.5".

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
PB4 Support Documentation
PB4Studded Pedestal Base Adapter, 1/4"-20 Thread
$13.74
Today
+1 Qty Docs Part Number - Metric Price Available
PB4/M Support Documentation
PB4/MStudded Pedestal Base Adapter, M6 x 1.0 Thread
$13.74
Today
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