Best Flexible Couplings. Reviews November, 2020

Befenybay 2PCS 5mm to 8mm Aluminium Plum Flexible Shaft Coupling D20 L25 Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor

Search only Befenybay brand name
Befenybay 2PCS 5mm to 8mm Aluminium Plum Flexible Shaft Coupling D20 L25 Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor

Current price: 13.99 USD


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Weight: 0.0661386786 Pounds

  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch

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BIGTREETECH Direct Flexible Coupling 5mm to 8mm NEMA 17 Coupling Shaft for 3D Printer or CNC Machine (Pack of 4 5mm-8mm)

Search only BIGTREETECH Direct brand name
BIGTREETECH Direct Flexible Coupling 5mm to 8mm NEMA 17 Coupling Shaft for 3D Printer or CNC Machine (Pack of 4 5mm-8mm)

Current price: 7.98 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler

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Sydien 8 to 8mm CNC Shaft Coupling Flexible Coupler Motor Connector 2pcs,D19xL25mm

Search only Sydien brand name
Sydien 8 to 8mm CNC Shaft Coupling Flexible Coupler Motor Connector 2pcs,D19xL25mm

Current price: 7.99 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.

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1/2" to 3/4" L075 Flexible 3-Piece L-Jaw Coupling Set & Buna-N NBR Rubber Spider

Search only Lexar Industrial brand name
1/2

Current price: 18.99 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4

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8 Pack 7mm Flexible Coupling Connector for Any Motors with Shaft Diameter of 0.275in/7mm - Car Wheels Tires Shaft

Search only ANCIRS brand name
8 Pack 7mm Flexible Coupling Connector for Any Motors with Shaft Diameter of 0.275in/7mm - Car Wheels Tires Shaft

Current price: 8.99 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.

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OctagonStar Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

Search only OctagonStar brand name
OctagonStar Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

Current price: 6.89 USD


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Height: 1.574803148 Inches

Length: 0.9842519675 Inches

Width: 0.787401574 Inches

  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn't OctagonStar item, you can return or exchange.
  • Dimensions: 19mm x 25mm.
  • Useful in RepRap 3D Printers and small CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.

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9.5 3/8" x 10mm Flexible Shaft Coupling Stepper Motor Coupler D25 L30

Search only CGjiogujio brand name
9.5 3/8

Current price: 13.49 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn't OctagonStar item, you can return or exchange.
  • Dimensions: 19mm x 25mm.
  • Useful in RepRap 3D Printers and small CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.
  • Package included: 1 x Coupler
  • Material: Aluminum
  • Outside diameter: 25mm; Length: 30mm
  • Notice: The size is refer to the hole, for example 6mm x 8mm is known as one head of the hole diameter is 6mm, the other is 8mm
  • Size: 9.5 (3/8") x 10mm

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6.35x6.35mm CNC Flexible Coupling Motor Shaft Coupler 1/4" to 1/4" Shaft

Search only ZJIA brand name
6.35x6.35mm CNC Flexible Coupling Motor Shaft Coupler 1/4

Current price: 8.39 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn't OctagonStar item, you can return or exchange.
  • Dimensions: 19mm x 25mm.
  • Useful in RepRap 3D Printers and small CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.
  • Package included: 1 x Coupler
  • Material: Aluminum
  • Outside diameter: 25mm; Length: 30mm
  • Notice: The size is refer to the hole, for example 6mm x 8mm is known as one head of the hole diameter is 6mm, the other is 8mm
  • Size: 9.5 (3/8") x 10mm
  • it is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Material: Aluminium
  • Shaft: 6.35mm x 6.35mm,Length: 25mm,Diameter: 20mm

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OctagonStar Flexible Couplings 5mm to 5mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

Search only OctagonStar brand name
OctagonStar Flexible Couplings 5mm to 5mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

Current price: 6.89 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn't OctagonStar item, you can return or exchange.
  • Dimensions: 19mm x 25mm.
  • Useful in RepRap 3D Printers and small CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.
  • Package included: 1 x Coupler
  • Material: Aluminum
  • Outside diameter: 25mm; Length: 30mm
  • Notice: The size is refer to the hole, for example 6mm x 8mm is known as one head of the hole diameter is 6mm, the other is 8mm
  • Size: 9.5 (3/8") x 10mm
  • it is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Material: Aluminium
  • Shaft: 6.35mm x 6.35mm,Length: 25mm,Diameter: 20mm
  • Dimensions: 19mm x 25mm.
  • Works for 3D printers and CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.

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Sydien 2pcs 5mm to 8mm Joint Helical Beam Coupler Coupling Aluminum Alloy Flexible Coupling Connector for 3D Printer, CNC Machine, DIY Encoder

Search only Sydien brand name
Sydien 2pcs 5mm to 8mm Joint Helical Beam Coupler Coupling Aluminum Alloy Flexible Coupling Connector for 3D Printer, CNC Machine, DIY Encoder

Current price: 9.99 USD


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  • The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc
  • Flexibility of coupling shaft removes stress between the motor and driving components
  • Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
  • Material: Aluminum alloy, polyurethane Type: Plum shaped
  • Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
  • 5.【Packing list】:4pcs 5*8 Flexible Coupling Coupler
  • 4.【Feature】Flexibility of this coupler removes stress between motor and driving component.
  • 3.【Dimensions】: 19mm x 25mm
  • 2.【Size】:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter))
  • 1.【Name】: 3D printer Stepper Motor Flexible Coupling Coupler
  • It is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • Material: Aluminium;Package Includes:2 x Motor Shaft Coupler Coupling
  • Length: 25m/0.98inch;Diameter: 19mm/0.75inch
  • Shaft: 8 to 8mm;Feature: Set screws.
  • Assembled Length of Set: 2-1/8
  • Outside Diameter: 1-3/4
  • Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws.
  • 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time.
  • Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc.
  • Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in.
  • NOTE:OctagonStar Quality Assurance.Item package or product surface have OctagonStar brand identity. If you feel to buy isn't OctagonStar item, you can return or exchange.
  • Dimensions: 19mm x 25mm.
  • Useful in RepRap 3D Printers and small CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.
  • Package included: 1 x Coupler
  • Material: Aluminum
  • Outside diameter: 25mm; Length: 30mm
  • Notice: The size is refer to the hole, for example 6mm x 8mm is known as one head of the hole diameter is 6mm, the other is 8mm
  • Size: 9.5 (3/8") x 10mm
  • it is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc.
  • Material: Aluminium
  • Shaft: 6.35mm x 6.35mm,Length: 25mm,Diameter: 20mm
  • Dimensions: 19mm x 25mm.
  • Works for 3D printers and CNC machines.
  • Compatible with NEMA 17 stepper motors (for 5mm shaft diameter).
  • Flexibility of this coupler removes stress between motor and driving component.
  • Shaft coupler Often used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc
  • Multiple beam cuts improve parallel misalignment capabilities;accommodate parallel misalignment, angular misalignment and axial motion
  • Machined from a single piece of aluminum with multiple spiral cuts for higher torsional stiffness and torque capabilities
  • Unique balanced clamp screw design reduces vibration while the cross cut increases clamping ability
  • Dimensions: large Bore: 8mm/0.31", Small Bore: 5mm/0.19", Outer Diameter: 20mm/0.78", length: 25mm/0.98"

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