Best Uxcell Flexible Beam Couplings in 2026

Shaft Usage: 8mm to 8mm / 0.31 to 0. 31 inch

Material: Aluminum alloy; Size: 30x25mm/ 1.18x0.98inch( L*D)

Feature: Set screws (Coiling Clamping); Main Color: Silver tone

Shaft Usage: 10mm to 10mm / 0.39 to 0.39 inch

Material: Aluminum alloy; Size: 25x19mm/ 0.98x0.75 inch( L*D)

Feature: Set screws (Coiling Clamping); Main Color: Silver tone

Shaft Usage: 5mm to 8mm / 0.19 to 0.31 inch

Material: Aluminum alloy; Size: 25x20mm/ 0.98x0.79inch( L*D)

Feature: Spline shaft with coiling clamping; Main Color: Silver tone

General purpose power transmission coupling, also used in motion control applications and rotational power transmissions, is good replacement for your needs.

It is designed to transmit torque while damping system vibrations and accommodating misalignment to protect other components from damage.

Jaw couplings have three parts: two metallic hubs and an elastomer insert called an element, but commonly called "".

Feature: Screw Type(Coiling Clamping); Main Color: Silver tone

High axial load and torque capacity

Recessed screw head provides an outside surface free of major projection for safety

👍Package Includes:2Pcs Motor Shaft Couplers.Large Bore:8mm/0.31".Small Bore:5mm/0.19".Outer Diameter:20mm/0.78".Length:25mm/0.98" .Shaft:5mm*8mm/0.20''*0.31''.

👍Machined from a single piece of aluminum with multiple spiral cuts for higher torsional stiffness and torque capabilities.

👍Multiple beam cuts improve parallel misalignment capabilities,accommodate parallel misalignment, angular misalignment and axial motion.

General purpose power transmission coupling, also used in motion control applications and rotational power transmissions, is good replacement for your needs.

It is designed to transmit torque while damping system vibrations and accommodating misalignment to protect other components from damage.

Jaw couplings have three parts: two metallic hubs and an elastomer insert called an element, but commonly called "".

Shaft Usage: 8mm to 8mm / 0.31 to 0.31 inch

Material: Aluminum alloy; Size: 25x20mm/ 0.98x0.79inch( L*D)

Feature: Spline shaft with coiling clamping; Main Color: Silver tone

Material: Aluminum alloy; Connection Diameter: 8mm to 8mm; Total Length: 25mm /0.98 inch; Outside Diameter : 20mm/ 0.78 inch

Zero backlash. One-piece metallic spring coupling. For little torque shaft connect.

Absorption of parallel, angular misalignments and shaft end-play by spring action.

Size：Diameter 20mm Length 25mm/Diameter 0.79inch Length 0.98inch. Bore 6mm to 6.35mm/0.24 to 0.25inch. Type: flexible beam coupling

Material: Using Aviation Aluminum with corrosion resistance High Hardness, High Precision, Anodized Surface Treatment, Strong and Durable

Flexibility of coupling shaft removes stress between the motor and driving components.

Zero backlash. Two-piece metallic spring coupling. For little torque shaft connect.

Color: Silver Tone; Material: Aluminum Alloy; Connection Diameter: 6.35mm to 10mm; Screw Angle: 90 degree;Total Length: 30mm /1.18 inch;Outside Diameter : 25mm /0.98 inch

Absorption of parallel, angular misalignments and shaft end-play by spring action.

Size：Diameter 25mm Length 30mm/Diameter 0.98inch Length 1.18inch. Bore 10mm to 12mm/0.39 to 0.47inch. Type: flexible beam coupling

Material: Using Aviation Aluminum with corrosion resistance High Hardness, High Precision, Anodized Surface Treatment, Strong and Durable

Flexibility of coupling shaft removes stress between the motor and driving components.

【Flexible Couplings Beam Shaft Size】: 5mm to 8mm / 0.20" to 0.31". Coupling With M4 Fastening Screws. Outer Diameter: 19mm / 0.75", Length 25mm / 1".

【Wide Range of Use】: Beam Coupler Are Used In Servo Motor Systems, 3D Printer, Cnc Machine, Diy Encoderspindle Transmissions, Stepping Motors, Lifting Platforms, Machine Tool Transmissions, Stepping Motors, Encoders, Screw Drives, Machine Platforms Or Gearboxes, Etc. The Purpose Is To Firmly Connect The Driving Shaft And The Driven Shaft To Rotate Together And Transmit Motion And Torque. Great Suitable For Short Support Shaft, Bushing Model, Miniature Shaft, Model Airplane/ Boat / Car.

【5mm to 8mm Flexible Couplings Material】: High-Quality Aluminum Alloy Material, The Surface Is Treated By Anodizing, With Superior Corrosion Resistance.Color: Silver, Suitable For Working In High Temperature (-80℃ / +300℃) And Harsh Environments, Even If There Is Vibration And Shock , It Is Still Safe To Move.

General purpose power transmission coupling, also used in motion control applications and rotational power transmissions, is good replacement for your needs.

It is designed to transmit torque while damping system vibrations and accommodating misalignment to protect other components from damage.

Jaw couplings have three parts: two metallic hubs and an elastomer insert called an element, but commonly called "".

General purpose power transmission coupling, also used in motion control applications and rotational power transmissions, is good replacement for your needs.

It is designed to transmit torque while damping system vibrations and accommodating misalignment to protect other components from damage.

Jaw couplings have three parts: two metallic hubs and an elastomer insert called an element, but commonly called "".

Helical coupling-- dear buyer, due to lighting effect, monitors brightness, manual measurement, , there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! thank you!

Winding step motor-- dear buyer, due to lighting effect, monitor's brightness, manual measurement, , there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! thank you!

Flexible shaft coupling-- winding step motor suitable for small torque shaft connection, such as stepping motor, encoder.

Size：Diameter 20mm Length 25mm/Diameter 0.79inch Length 0.98inch. Bore 6.35mm to 6.35mm/0.25 to 0.25inch. Type: flexible beam coupling

Material: Using Aviation Aluminum with corrosion resistance High Hardness, High Precision, Anodized Surface Treatment, Strong and Durable

Flexibility of coupling shaft removes stress between the motor and driving components.

5 deg Angular

0.015 inch Parallel Offset

14.2 min/lbin Torsional Stiffness

Four beam coupling for use in angular, parallel, and axial misalignment scenarios requiring zero backlash and torsional stiffness

Stainless steel for torsional stiffness and resistance to corrosion

Clamp mounting style installation helps increase positioning accuracy

【Specification】5mm to 8mm shaft coupling; 25x20mm/0.98x0.79inch( L*D).

【Good Flexibility】Good flexibility of the coupling shaft removes stress between the motor and driving components.

【Excellent Adaptability】This shaft coupling is used for small torque shaft connection. Absorption of parallel, angular misalignments and shaft end-play by spring action.