Top Industrial Couplings, Collars and Universal Joiners

The best Couplings, Collars & Universal Joiners includes AR-PRO (4-Pack) 1” Steel Shaft Collars, AZSSMUK Set Screw Shaft Collars (4 PCS), TonGass 8-Pack Zinc Plated Shaft Collars and many others as mentioned below.

1

AR-PRO (4-Pack) 1” Steel Shaft Collars

  • Includes 4 durable 1-inch shaft collars.
  • 1-inch bore with 1 5/8 inches outer diameter.
  • Constructed from high-quality carbon steel.
  • Zinc plated for enhanced corrosion resistance.
  • Features socket cup-point set screws for secure fitting.
  • Ideal for automotive and machinery applications.
  • Versatile use for wheel stoppers and component locators.
  • Average Rating out of 5:
  • Price Range: $9.99
2

AZSSMUK Set Screw Shaft Collars (4 PCS)

  • Double split design for easy installation.
  • 1" bore diameter fits standard shafts.
  • Durable carbon steel with black oxide coating.
  • Increased corrosion resistance for longevity.
  • Perfect for automotive and machinery applications.
  • Includes 4 collars and 8 set screws.
  • Useful for stoppers, spacers, and locators.
  • Average Rating out of 5:
  • Price Range: $11.88
  • Size: ‎1/4-28,‎1/4",‎1"
  • Material: Carbon Steel
3

TonGass 8-Pack Zinc Plated Shaft Collars

  • High-quality zinc plated carbon steel construction.
  • Perfect for automotive and industrial applications.
  • 8-pack set provides great value for money.
  • 5/8" bore size ensures a secure fit.
  • Easy installation with screw clamp design.
  • Durable and corrosion-proof for long-lasting use.
  • Operates in temperatures from 0 to 250°F.
  • Average Rating out of 5:
  • Price Range: $9.99
4

AZSSMUK Zinc Plated Shaft Collars (5/8")

  • Durable zinc plated carbon steel construction.
  • 5/8" inner diameter for versatile applications.
  • Set screw design for secure fastening.
  • Includes four shaft collars in each package.
  • Ideal for lawn tractors and garage doors.
  • Easy installation with 5/16-18×1/4 set screws.
  • Compact size enhances space efficiency in projects.
  • Average Rating out of 5:
  • Price Range: $7.99
5

AZSSMUK Stainless Steel Shaft Collars (4-Pack)

  • High-quality 304 stainless steel construction.
  • Corrosion-resistant and durable design.
  • 1/2" bore diameter for versatile applications.
  • 1" outside diameter for secure fitting.
  • Includes 4-piece set for multiple uses.
  • Ideal for machinery and automotive applications.
  • Simple installation with included set screw.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: ‎1/2"
6

Daier 8mm Flange Coupling Connectors (4Pcs)

  • Durable 45# steel construction for enhanced strength.
  • Heat and electroplated for improved insulation.
  • Stable shaft connection for easy installation.
  • Ideal for DIY RC model motor projects.
  • Inner diameter of 8mm for versatile use.
  • Includes M4 mini hex wrench for convenience.
  • Package contains 4 couplings and 8 screws.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Size: ‎M 4,‎M4,‎8mm
  • Material: Metal
7

AOWEITAL Aluminum Shaft Collar [20mm]

  • Perfect for SBR20 linear rail applications.
  • 20mm bore with 40mm outer diameter.
  • Durable anodized aluminum alloy construction.
  • Lightweight, oxidation-resistant, and corrosion-resistant.
  • Secure locking with M5 set screws.
  • Easy installation for DIY CNC projects.
  • Includes four shaft collars per package.
  • Average Rating out of 5:
  • Price Range: $15.99
8

AZSSMUK Double Split Shaft Collars (2 Pcs)

  • Durable carbon steel construction for strength.
  • Black oxide coating enhances corrosion resistance.
  • Double split design for secure shaft gripping.
  • Suitable for various machinery applications.
  • Easy installation with set screw mechanism.
  • Lightweight yet robust for industrial use.
  • Pack of two for added value.
  • Average Rating out of 5:
  • Price Range: $21.99
9

AZSSMUK 1" Split Clamp Shaft Collar

  • Durable carbon steel construction enhances longevity.
  • Black oxide coating resists corrosion and wear.
  • Precise 1" bore diameter for secure fitting.
  • Outside diameter measures 1-3/4" for compatibility.
  • Compact height of 1/2" for space-saving design.
  • Includes 1/4-28 set screw for added security.
  • Pack of 4 for versatile usage options.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Color: Black
  • Material: Carbon Steel
10

Sunex Tools [3301] 3/8" Universal Impact Socket

  • Universal joint for swivel socket applications.
  • Constructed from durable Cr-Mo alloy steel.
  • Radius corner design enhances torque efficiency.
  • Ball detent securely holds socket in place.
  • Flexible design improves access around obstructions.
  • Meets stringent ANSI performance standards.
  • Ideal for high torque impact tools.
  • Average Rating out of 5:
  • Price Range: $11.99
  • Size: ‎3/8″
  • Material: Alloy Steel
11

SINOAXISSPACE 4-Pack 1" Bore Shaft Collars

  • Durable 1045 steel construction for long-lasting use.
  • Double split design prevents shaft damage.
  • Easy adjustments for secure fit and maintenance.
  • 1" bore, 1-3/4" OD, precise measurements.
  • M4 set screws enable quick installation.
  • 4-pack ensures extra collars for convenience.
  • Corrosion-resistant for reliable performance over time.
  • Average Rating out of 5:
  • Price Range: $11.99
12

AZSSMUK 1-1/2'' Stainless Steel Shaft Collars (2PCS)

  • Bore diameter: 1-1/2 inches for versatile use.
  • High-quality 304 stainless steel for durability.
  • Corrosion-resistant for long-lasting performance.
  • Two-piece design simplifies installation process.
  • Disassembles easily without removing other components.
  • Ideal for various industrial applications and hobbies.
  • Includes 2 split collars and screws.
  • Average Rating out of 5:
  • Price Range: $22.99
  • Color: Silver
  • Material: Stainless Steel
13

AZSSMUK 1-1/8" Steel Shaft Collars (4 Pack)

  • Includes 4 standard 1-1/8" shaft collars.
  • Socket cup-point set screws for secure fastening.
  • Made from high-quality carbon steel for strength.
  • Zinc plated for enhanced durability and corrosion resistance.
  • Ideal for automotive and machinery repair applications.
  • Commonly used as wheel stoppers and spacers.
  • Suitable for various industrial and medical equipment repairs.
  • Average Rating out of 5:
  • Price Range: $16.99
14

uxcell 8mm Rigid Coupling Set (2pcs)

  • Durable stainless steel construction for longevity.
  • 8mm bore for versatile applications.
  • Secure screw design for firm connection.
  • Ideal for 3D printers and CNC machines.
  • Compact size: 22mm length, 14mm diameter.
  • High torque capacity with low inertia.
  • Easy to install and adjust on shafts.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Size: ‎M 4,‎M4,‎8mm to 8mm
  • Material: Steel
15

KZNANZN 3/4" Double Split Shaft Collars (4PCS)

  • High-quality carbon steel construction for durability.
  • 3/4" internal diameter fits standard shafts.
  • 1-1/2" outside diameter for versatile applications.
  • Includes 4 double split shaft collars.
  • Easy installation with set screw design.
  • Ideal for manufacturing and automotive industries.
  • Perfect for hobby crafts and remote control vehicles.
  • Average Rating out of 5:
  • Price Range: $14.99
16

GrliTra Flexible NBR Rubber Spider Inserts (4 Pack)

  • Durable NBR rubber for longevity and reliability.
  • Effective shock absorption and cushioning properties.
  • Compatible with Lovejoy and Martin L-jaw couplings.
  • 4-pack for convenient replacement and use.
  • 2-1/2" outer diameter fits standard applications.
  • Easy installation for quick coupling adjustments.
  • High wear resistance for long-term performance.
  • Average Rating out of 5:
  • Price Range: $11.99
  • Color: Package List
17

KZNANZN Zinc Plated Shaft Collars (3/8")

  • High-quality zinc plated carbon steel construction.
  • 3/8" bore for versatile applications.
  • Set screw design for secure fastening.
  • Includes four shaft collars and set screws.
  • Ideal for automotive and manufacturing uses.
  • Compact size fits various machinery components.
  • Durable and resistant to rust and corrosion.
  • Average Rating out of 5:
  • Price Range: $5.99
18

Fabbay NBR Rubber Spider Inserts (4 Pcs)

  • Includes 4 durable NBR rubber spider inserts.
  • High-quality rubber offers toughness and wear resistance.
  • Diameter of each insert: 2-1/8 inches.
  • Ideal for cushioning and shock absorption.
  • Compatible with L jaw coupling sets.
  • Ample quantity for daily use and replacements.
  • Long-lasting performance for various applications.
  • Average Rating out of 5:
  • Price Range: $6.99
  • Material: 2 positive
19

KAEZDD Brass Shower Head Ball Joint Adapter

  • Durable brass construction ensures long-lasting use.
  • Leak-free design for consistent performance.
  • High flow rate of 7.8 GPM.
  • Corrosion and rust resistant for durability.
  • 30° adjustable swivel angle for versatility.
  • Easy installation with standard G 1/2 threads.
  • Perfect for all family member shower experiences.
  • Average Rating out of 5:
  • Price Range: $8.79
  • Size: ‎1 Count (Pack of 1),‎0.5 inches
  • Material: Brass
20

TEKTON Impact Universal Joint (3/8")

  • Designed for impact drivers and heavy-duty use.
  • Accesses hard-to-reach fasteners around obstructions.
  • Strong pinless joint allows 30-degree angle operation.
  • Spring-loaded detent ball prevents socket drops.
  • Constructed from durable Ni-Cr-Mo and Cr-Mo steel.
  • Manganese phosphate finish for added protection.
  • Compatible with standard 3/8 inch drive sockets.
  • Average Rating out of 5:
  • Price Range: $9.97
  • Size: ‎3/8 Inch Drive
  • Material: Chrome Molybdenum Steel
21

Luomorgo 7mm Metal Flange Shaft Coupling (2pcs)

  • Durable metal construction with heat treatment.
  • 7mm inner diameter for secure shaft connection.
  • Includes two flange couplings for convenience.
  • Ideal for RC model motors and projects.
  • Easy installation for various mechanical applications.
  • Compact design with 16mm outer diameter.
  • Perfect for fixing shafts to a plane.
  • Average Rating out of 5:
  • Price Range: $6.99
  • Color: Silver
  • Material: Metal
22

Coastal Shaft Collars 1" Two-Piece Stainless Steel

  • Two-piece design for easy installation.
  • Made from durable 303 stainless steel.
  • 1.00-inch inside diameter for versatile applications.
  • Corrosion-resistant, ideal for wet environments.
  • Includes two stainless steel socket head screws.
  • High clamping force without marring the shaft.
  • Precision-engineered for quality and performance.
  • Average Rating out of 5:
  • Price Range: $12.18
23

Sinoblu 14mm Rigid Shaft Coupling

  • Durable anodized aluminum construction ensures longevity.
  • High axial load and torque capacity for reliability.
  • Set screw design for easy installation and adjustment.
  • Corrosion and abrasion resistant for enhanced durability.
  • Compatible with various CNC machines and 3D printers.
  • Recessed screw head for safe operation.
  • Ideal for DIY projects and encoder applications.
  • Average Rating out of 5:
  • Price Range: $12.99
24

AUTOJARE L075 Flexible L-Jaw Coupling Set

  • Flexible L-Jaw coupling for efficient power transmission.
  • Includes two halves and NBR rubber insert.
  • 1/2" and 3/4" bore sizes available.
  • Compatible with major coupling brands.
  • Made from high-strength HT250 steel.
  • Improved service life for durability.
  • Easy installation with set screws included.
  • Average Rating out of 5:
  • Price Range: $18.99
25

HARFINGTON 4pcs 1-1/4" Shaft Collars

  • Fits 1-1/4" rods securely.
  • 2-1/16" outer diameter for stable positioning.
  • 1/2" width for versatile applications.
  • Durable carbon steel construction with black oxide finish.
  • Double-split design prevents shaft damage.
  • Easy installation with set screw adjustment.
  • Ideal for various industrial applications.
  • Average Rating out of 5:
  • Price Range: $26.69
  • Size: ‎1-1/4" Bore
26

AOWEITAL 4-Pack 1" Shaft Collars

  • Constructed from durable 1045 steel for longevity.
  • Double split design prevents shaft surface damage.
  • 1" bore, 1-3/4" OD, 1/2" thickness specifications.
  • Includes M4 set screws for easy installation.
  • Ideal for machinery, automotive, and DIY projects.
  • Comes in a value 4-pack for savings.
  • Reliable performance in various applications guaranteed.
  • Average Rating out of 5:
  • Price Range: $8.59
  • Color: Black
  • Material: Carbon Steel
27

Hordion 4Pcs 6mm Aluminum Shaft Collars

  • Includes 4 durable aluminum shaft collars.
  • Bore diameter: 6mm, outer diameter: 20mm.
  • Thickness of collars: 8mm for sturdy support.
  • Made from high-quality, lightweight aluminum alloy.
  • Sandblasted surface prevents rust and corrosion.
  • Easy installation and removal with M4 screws.
  • Ideal for various machinery and gearbox applications.
  • Average Rating out of 5:
  • Price Range: $11.49
  • Color: Package Include:
28

Treehobby 6-Pack Aluminium Shaft Couplers

  • Includes six durable aluminium shaft couplers.
  • Connects shafts with different diameters securely.
  • Flexibility reduces stress on misaligned shafts.
  • Ideal for DIY projects and models.
  • Compatible with motors and various applications.
  • Lightweight and robust aluminum alloy construction.
  • Size: 25 x 14mm for versatile use.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Size: M 4,M4,5mm to 8mm
  • Color: Blue
  • Material: Aluminum
29

uxcell Flexible L-Jaw Coupling Set [3-Piece]

  • High-strength HT250 steel construction for durability.
  • Buna-N NBR rubber spider for shock absorption.
  • Transmits torque while compensating for misalignment.
  • Includes coupling halves and NBR rubber insert.
  • Applications in industrial and agricultural equipment.
  • Regularly inspect for wear or damage.
  • Designed for optimal performance in various machines.
  • Average Rating out of 5:
  • Price Range: $20.39
  • Size: 1/2" to 1",1/2" to 1/2",1/2" to 3/4",1/2" to 3/8",1/2" to 5/8",1/2" to 7/8",3/4" to 3/4",3/4" to 3/8",3/4" to 5/8",3/4" to 7/8",3/8" to 1",3/8" to 3/8",3/8" to 5/8",3/8" to 7/8",5/8" to 1",5/8" to 5/8",5/8" to 7/8",7/8" to 1",7/8" to 7/8",7/16" to 1",7/16
30

Befenybay 10mm Universal Joint Coupling (2 Pcs)

  • Durable 45# steel construction for strength.
  • Electroplated finish for wear resistance.
  • Standardized design ensures universal compatibility.
  • Inner diameter: 10mm for precise fitting.
  • Includes M4 hex wrench for easy installation.
  • Comes with 8 fastening screws included.
  • Ideal for connecting motors and shafts.
  • Average Rating out of 5:
  • Price Range: $11.99
  • Color: Silver
  • Material: 45# steel