Best Uxcell Rigid Couplings in 2026

Daisy
Last Updated: Feb 9, 2026

At a Glance: Our Top Picks for Uxcell Rigid Couplings

uxcell 6mm to 10mm Bore Rigid Coupling Set Screw L22XD16 Stainless Steel,Shaft Coupler Connector for 3D Printers, Motor Accessories,2pcs
#TOP1
Uxcell 6Mm To 10Mm Bore Rigid Coupling Set
9.6
PM SCORE
uxcell 6mm to 8mm Bore Rigid Coupling Set Screw L22XD14 Stainless Steel,Shaft Coupler Connector,Motor Accessories,2pcs
#TOP2
Uxcell 6Mm To 8Mm Bore Rigid Coupling Set
9.6
PM SCORE
uxcell 10mm to 10mm Bore Rigid Coupling Set Screw L22XD16 Stainless Steel,Shaft Coupler Connector for 3D Printers, Motor Accessories,2pcs
#TOP3
Uxcell 10Mm To 10Mm Bore Rigid Coupling Set
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Uxcell Rigid Couplings of 2026

Market Overview
Uxcell Rigid Couplings Reviewed
  • Reviews Analyzed: 2445 Items
  • PM Avg. Rating: 6.1 / 10
28 Products Evaluated
  • Highest Price: $14.99
  • Lowest Price: $5.49
  • Avg. Price: $8.74

Uxcell 6Mm To 10Mm Bore Rigid Coupling Set Screw L22Xd16 Stainless Steel,Shaft Coupler Connector For 3D Printers, Motor Accessories,2Pcs

UXCELL
A18121800UX0658
1.97 X 1.18 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 6mm to 10mm, Total Length: 22mm /0.87 inch, Outside Diameter : 16mm/ 0.63 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 6Mm To 8Mm Bore Rigid Coupling Set Screw L22Xd14 Stainless Steel,Shaft Coupler Connector,Motor Accessories,2Pcs

UXCELL
A18121800UX0656
1.97 X 1.18 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 6mm to 8mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 10Mm To 10Mm Bore Rigid Coupling Set Screw L22Xd16 Stainless Steel,Shaft Coupler Connector For 3D Printers, Motor Accessories,2Pcs

UXCELL
A18121800UX0660
1.97 X 1.18 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 10mm to 10mm, Total Length: 22mm /0.87 inch, Outside Diameter : 16mm/ 0.63 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 8Mm To 8Mm Bore Rigid Coupling Set Screw L22Xd14 Stainless Steel,Shaft Coupler Connector For 3D Printers, Motor Accessories,2Pcs

UXCELL
A18121800UX0657
1.97 X 1.18 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 8mm to 8mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 5Mm Bore Rigid Coupling Set Screw L20Xd12 Aluminum Alloy,Shaft Coupler Connector For Rc Airplane Boat, Motor Accessories,Red,2Pcs

UXCELL
A18121800UX0724
1.97 X 1.18 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 5mm to 5mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 3Mm To 6Mm Bore Rigid Coupling Set Screw L20Xd12 Aluminum Alloy,Shaft Coupler Connector For Rc Airplane Boat, Motor Accessories,Red,2Pcs

UXCELL
A18121800UX0717
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 3mm to 6mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 8Mm Inner Dia H13*D16 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2Pcs For Diy Parts

UXCELL
A18121800UX0642
1.97 X 1.18 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Inner Diameter: 8mm/0.31 inch, Total Height: 13mm/0.51 inch, Cylinder Outer Diameter: 16mm/0.63 inch, Cylinder Height: 10mm/1.31 inch, Base Diameter: 32mm/1.26 inch, Base Height: 3mm/0.12 inch, Mounting Hole Distance: 24mm/0.94 inch,2 x M4 Fastening Screws

Type: Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.

Material: Aluminum Alloy, hardened by heat treatment, and then electroplated. Durable and insulation, make your shaft more stable, easy to install and replace.

Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily. Double connection points fasten the coupler tightly.

Package: 2 x 8mm Flange Shaft Coupling, 4 x Fastening Screw( M4 Hex Wrench Not Included Here )

Uxcell 4Mm To 6Mm Bore Rigid Coupling Set Screw L26Xd12 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories

UXCELL
A18122800UX0581
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 4mm to 6mm, Total Length: 26mm /1.02 inch, Outside Diameter : 12mm/ 0.47 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/4 Inch To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,Dark Blue,2Pcs

UXCELL
A20011400UX0700
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 1/4 inch to 1/4 inch; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/4 Inch To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,Dark Blue,4Pcs

UXCELL
A20011400UX0701
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 1/4 inch to 1/4 inch; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 6Mm To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd18 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories

UXCELL
A19123100UX0483
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 6mm to 1/4 inch; Total Length: 25mm/0.98 inch, Outside Diameter : 18mm/0.7 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 10Mm To 10Mm Bore Rigid Coupling Set Screw L22Xd16 45# Steel,Shaft Coupler Connector For 3D Printers, Motor Accessories

UXCELL
A18121800UX0651
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 10mm to 10mm, Total Length: 22mm /0.87 inch, Outside Diameter : 16mm/ 0.63 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 8Mm To 8Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0673
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 8mm to 8mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 4Mm Inner Dia H12*D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector For Diy Parts

UXCELL
B07PDZDKSP
1.18 X 1.18 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Inner Diameter: 4mm/0.16 inch, Total Height: 12mm/0.47 inch, Cylinder Outer Diameter: 10mm/0.39 inch, Cylinder Height: 10mm/0.39 inch, Base Diameter: 22mm/0.87 inch, Base Height: 2mm/0.08 inch, Mounting Hole Distance: 16mm/0.63 inch,2 x M3 Fastening Screws

Type: Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.

Material: Iron Plating, hardened by heat treatment, and then electroplated. Durable and insulation, make your shaft more stable, easy to install and replace.

Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily. Double connection points fasten the coupler tightly.

Package: 1 x 4mm Flange Shaft Coupling, 2 x Fastening Screw( M3 Hex Wrench Not Included Here )

Uxcell 6Mm To 7Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Blue

UXCELL
A20011400UX0693
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 6mm to 7mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 7Mm To 8Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Blue

UXCELL
A20011400UX0705
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 7mm to 8mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 5Mm Bore Rigid Coupling Set Screw L22Xd14 Stainless Steel,Shaft Coupler Connector For Rc Airplane Boat, Motor Accessories

UXCELL
A18121800UX0644
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 5mm to 5mm, Total Length: 22mm /0.87 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 8Mm Bore Rigid Coupling Set Screw L25Xd20 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,4Pcs

UXCELL
A19123100UX0506
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 5mm to 8mm; Total Length: 25mm/0.98 inch, Outside Diameter: 20mm/0.78 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/4 Inch To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd20 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,4Pcs

UXCELL
A19123100UX0521
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 1/4 inch to 1/4 inch; Total Length: 25mm/0.98 inch, Outside Diameter: 20mm/0.78 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/4 Inch To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd18 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,4Pcs

UXCELL
A19123100UX0491
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 1/4 inch to 1/4 inch; Total Length: 25mm/0.98 inch, Outside Diameter:18mm/0.7 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 5Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0665
1.18 X 0.79 X 0.79 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 5mm to 5mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 6Mm To 8Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0669
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 6mm to 8mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/4 Inch To 1/4 Inch Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector For 3D Printers, Motor Accessories,Blue

UXCELL
A18121800UX0670
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 1/4 inch to 1/4 inch, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 8Mm To 10Mm Bore Rigid Coupling Set Screw L25Xd16 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0674
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 8mm to 10mm, Total Length: 25mm /0.98 inch, Outside Diameter : 16mm/ 0.63 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 4Mm To 6Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0663
1.97 X 1.18 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 4mm to 6mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 6Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue

UXCELL
A18121800UX0666
1.18 X 0.79 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Diameter: 5mm to 6mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 1/8 Inch To 1/8 Inch Bore Rigid Coupling Set Screw L20Xd10 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light Blue,2Pcs

UXCELL
A20011400UX0852
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 1/8 inch to 1/8 inch; Total Length: 20mm /0.79 inch, Outside Diameter : 10mm/ 0.39 inch; with M3 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Uxcell 5Mm To 5Mm Bore Rigid Coupling Set Screw L25Xd14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Black,2Pcs

UXCELL
A20011400UX0781
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Connection Bore Diameter: 5mm to 5mm; Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch; with M4 Screws

Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies.

Top tight type rigid coupling with 2/4 screws to hold the shaft tightly; high torque with rigidity, low inertia and excellent sensitivity.

NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling.

Top 10 rigid couplings Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Uxcell 28

Top 10 rigid couplings Brands Pie Chart


We've carried out a comprehensive analysis of 2,445 reviews on rigid couplings, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select rigid couplings priced around $8.74, with top brands including and climax metals

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