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Best Coupling Nuts - Buying Guide

Last Updated: 03/25/2019

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Bestselling Coupling Nuts on Amazon

  1. uxcell M6 X 1-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut, 4PCS
  2. Magic&shell 2-Pack 8mm Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Acc...
  3. Magic&shell 2-Pack 6mm Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Acc...
  4. Simmons 946 1-1/4" DRIVE COUPLING
  5. 3/8-16 Rod Coupling Nuts, Stainless Steel 18-8, Plain Finish, Quantity 25 By Fastenere
  6. uxcell 5mm to 8mm Shaft Coupling 30mm Length 25mm Diameter Motor Coupler Aluminum Alloy Joint Connec...
  7. Magic&Shell Hex Brass Shaft Coupling Metal Axis Bearing Fittings DIY Model Accessory Shaft Hexagonal...
  8. Hard-to-Find Fastener 014973403393 Coarse Rod Coupling Nuts, 1/2-13, Piece-12
  9. Magic&Shell Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Accessory Rigi...
  10. Hard-to-Find Fastener 014973270919 Coupling Nuts, 6mm-1.00, Piece-15

  #1

uxcell M6 X 1-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut, 4PCS

 PartNumber: a18091400ux0093   |   Asin: B07JPDZ1YM

Description: Female thread,304 stainless steel material. This rod coupling is designed with female thread and hex rod. Installed with sleeve anchor, wedge anchor and all thread rod, etc. Specification: Product Name: Hex Coupling Nut Material: 304 Stainless Steel Thread Size: M6 - 1 Hex Width: 10mm / 0.39" Length: 30mm / 1.18" Grade: 4.8 Package Content: 4 pcs x Hex Coupling Nut

Features

  • Pitch: 1mm
  • Hex Width: 10mm / 0.39
  • Length: 30mm / 1.18
  • Made of 304 stainless steel, good rust and durable.
  • APPLICATION: Strong and are great for both indoor and outdoor use.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Item Dimensions: 0.79 x 1.57 x 1.97 inches (2.0 x 4.0 x 5.0 cm)   |   Package Dimensions: 0.16 x 3.86 x 6.1 inches (0.4 x 9.8 x 15.5 cm)

Amazon Price: $8.79 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.79

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  #2

Magic&shell 2-Pack 8mm Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Accessory Rigid Flange Guide Shaft Coupler Motor Connector

 Ean: 0705883157284   |    PartNumber: COUPLER-FSM8-2   |   Asin: B07FLTKK8B

Type: Flange Shaft Coupling
Metal: Fine plating metal, hardened by heat treatment, and then electroplated
Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily.
Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
Feature: Durable and insulation, make your shaft more stable, easy to install and replace.

Specification:
Inner Diameter: 8mm
Cylinder Outer Diameter: 16mm
Cylinder Height: 10mm
Base Diameter: 32mm
Base Height: 3mm
Fastening Screw Hole: M4
Base Fixing Screw Hole: M4

Package:
2 x 8mm Flange Shaft Coupling
1 x M4 Mini Hex Wrench
4 x M4 Fastening Screw

Features

  • Type: Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.
  • Inner Diameter: 8mm, Cylinder Outer Diameter: 16mm, Cylinder Height: 10mm, Base Diameter: 32mm, Base Height: 3mm, Fastening Screw Hole: M4, Base Fixing Screw Hole: M4
  • Metal: Fine plating metal, 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.
  • Package: 2 x 8mm Flange Shaft Coupling + 1 x M4 Mini Hex Wrench + 4 x M4 Fastening Screw
  • See more on Amazon...

Brand: Magic&Shell

Package Dimensions: 1.14 x 2.48 x 2.95 inches (2.9 x 6.3 x 7.5 cm)

Amazon Price: $11.99 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.99

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  #3

Magic&shell 2-Pack 6mm Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Accessory Rigid Flange Guide Shaft Coupler Motor Connector

 Ean: 0705883157277   |    PartNumber: COUPLER-FSM6-2   |   Asin: B07FLWQMNW

Type: Flange Shaft Coupling
Metal: Fine plating metal, hardened by heat treatment, and then electroplated
Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily.
Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
Feature: Durable and insulation, make your shaft more stable, easy to install and replace.

Specification:
Inner Diameter: 6mm
Cylinder Outer Diameter: 10mm
Cylinder Height: 10mm
Base Diameter: 22mm
Base Height: 2mm
Fastening Screw Hole: M3
Base Fixing Screw Hole: M3

Package:
2 x 6mm Flange Shaft Coupling
1 x M3 Mini Hex Wrench
4 x M3 Fastening Screw

Features

  • Type: Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.
  • Inner Diameter: 6mm, Cylinder Outer Diameter: 10mm, Cylinder Height: 10mm, Base Diameter: 22mm, Base Height: 2mm, Fastening Screw Hole: M3, Base Fixing Screw Hole: M3
  • Metal: Fine plating metal, 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.
  • Package: 2 x 6mm Flange Shaft Coupling + 1 x M3 Mini Hex Wrench + 4 x M3 Fastening Screw
  • See more on Amazon...

Brand: Magic&Shell

Package Dimensions: 1.22 x 2.52 x 3.66 inches (3.1 x 6.4 x 9.3 cm)

Amazon Price: $11.59 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.59

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  #4

Simmons 946 1-1/4" DRIVE COUPLING

Model: 946   |    Mpn: 946   |    Ean: 0008391017065   |    PartNumber: 946   |   Asin: B000DZFWCS

Extra heavy, recessed and straight tapped. All forged steel.

Features

Brand: Simmons   |   Manufacturer: Simmons

Item Dimensions: 2.5 x 2.5 x 1.75 inches (6.4 x 6.4 x 4.4 cm)   |   Package Dimensions: 1.9 x 2 x 2.7 inches (4.8 x 5.1 x 6.9 cm)

Amazon Price: $8.13 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.83

Warranty: N

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  #5

3/8-16 Rod Coupling Nuts, Stainless Steel 18-8, Plain Finish, Quantity 25 By Fastenere

 Ean: 0842176121468   |    PartNumber: 3SNCP906C   |   Asin: B01FKW5KWK

A coupling nut also known as extension nut is a threaded fastener for joining two male threads, most commonly a threaded rod, but also pipes.

Features

  • Fastenere Brand Stainless Steel Fasteners are backed by Fastenere Industry leading customer service and Guaranteed Satisfaction. These Fasteners offer a high level of corrosion resistance and will outperform other fasteners for years to come.
  • See more on Amazon...

Brand: Fastenere   |   Manufacturer: Fastenere

Package Dimensions: 0.5 x 4.7 x 6.5 inches (1.3 x 11.9 x 16.5 cm)

Amazon Price: $22.99 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $22.99

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  #6

uxcell 5mm to 8mm Shaft Coupling 30mm Length 25mm Diameter Motor Coupler Aluminum Alloy Joint Connector for DIY Encoder

Model: SYNCE007186   |    Mpn: a16121900ux0460   |    Ean: 0604267459030   |    PartNumber: a16121900ux0460   |   Asin: B06X9TVW64

Description: Super torque can absorb vibration, appropriate a large torque transmission. Wear resistant, high hardness and excellent response. Mainly used for servo motors, spindle, step motor etc.. NOTE: The shaft coupler is not elastic, can not modify the concentricity. Shaft must be located in a straight line. If your equipment is eccentric already, then it will make noise and cause off-centering. Please be cautious before your final purchasing, thank you. Specification: Type: Plum Shaped Size: 30x25mm/ 1.18x0.98inch( L*D) Material: Body: Aluminum Alloy; Sleeve: Polyurethane Main Color: Silver Tone, Red Weight: 32g Package Content: 1 x Plum coupling

Features

  • Shaft Usage: 5mm to 8mm / 0.19 to 0.31 inch
  • Material: Aluminum alloy, polyurethane; Type: Plum shaped
  • Size: 30x25mm/ 1.18x0.98inch( L*D); Main Color: Silver tone, red
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • The shaft couplers are mainly used for servo motors, spindle, step motor etc.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Item Dimensions: 1.18 x 1.18 x 1.18 inches (3.0 x 3.0 x 3.0 cm)   |   Package Dimensions: 1.1 x 3.9 x 5 inches (2.8 x 9.9 x 12.7 cm)

Amazon Price: $10.49 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $10.49

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  #7

Magic&Shell Hex Brass Shaft Coupling Metal Axis Bearing Fittings DIY Model Accessory Shaft Hexagonal Coupler Motor Connector

Asin: B07K7FNJ74

Type: Shaft Coupling
Material: Made of high quality pure brass, sturdy, reliable and strictly functional.
Function: A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, toy cars, and other models.
Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
Feature: Durable and insulation, make your shaft more stable, easy to install and replace.

Specification:
Hexagonal Side: 7mm
Diagonal Distance: 13.6mm
Opposite Side: 12mm
Total Height: 18mm
Cylinder Height: 12mm
Cylinder Outer Diameter: 11.5mm
Cylinder Inner Diameter: 2/3/3.17/4/5/6/7/8mm
Fastening Screw Hole: M4

Features

  • Type: Hex Brass Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.
  • Hexagonal Side: 7mm; Diagonal Distance: 13.6mm; Opposite Side: 12mm; Total Height: 18mm; Cylinder Height: 12mm; Cylinder Outer Diameter: 11.5mm; Cylinder Inner Diameter: 6/7/8mm; Fastening Screw Hole: M4
  • Material: Made of high quality pure brass, sturdy, reliable and strictly functional. Durable and insulation, make your shaft more stable, easy to install and replace.
  • Function: A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, toy cars, and other models.
  • See more on Amazon...

Brand: Magic&Shell

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  #8

Hard-to-Find Fastener 014973403393 Coarse Rod Coupling Nuts, 1/2-13, Piece-12

Model: 014973403393   |    Mpn: CNS2-039-12   |    Ean: 0738287034950   |    PartNumber: CNS2-039-12   |   Asin: B00L1L4PL2

We stock a wide variety of fasteners ideal for many applications arround the home, farm, business, automotives, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finsh. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.

Features

  • Diameter: 1/2"
  • Length: 1-3/4 inch
  • Material: Steel
  • Finish: Zinc
  • Driver Type: 11/16 Wrench
  • Diameter 1: 1/2 inch
  • Diameter 2: 11/16 Inch
  • See more on Amazon...

Brand: Hard-to-Find Fastener   |   Manufacturer: Hard-to-Find Fastener

Item Dimensions: 2.13 x 3.13 x 3.5 inches (5.4 x 8.0 x 8.9 cm)   |   Package Dimensions: 2.3 x 3.5 x 3.6 inches (5.8 x 8.9 x 9.1 cm)

Amazon Price: $18.72 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.79

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  #9

Magic&Shell Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Accessory Rigid Flange Guide Shaft Coupler Motor Connector

Asin: B07FLZR169

Type: Flange Shaft Coupling
Metal: Fine plating metal, hardened by heat treatment, and then electroplated
Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily.
Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
Feature: Durable and insulation, make your shaft more stable, easy to install and replace.

Features

  • Type: Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc.
  • Metal: Fine plating metal, 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.
  • See more on Amazon...

Brand: Magic&Shell

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  #10

Hard-to-Find Fastener 014973270919 Coupling Nuts, 6mm-1.00, Piece-15

Model: 014973270919   |    Mpn: CPLNT-089-15   |    Ean: 0014973270919   |    PartNumber: CPLNT-089-15   |   Asin: B00L1J2I22

We stock a wide variety of fasteners ideal for many applications arround the home, farm, business, automotives, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finsh. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.

Features

  • Diameter: 6mm
  • Material: Steel
  • Finish: Zinc
  • Driver Type: #10 Wrench
  • Thread Type: 1.0mm (Coarse)
  • See more on Amazon...

Brand: Hard-to-Find Fastener   |   Manufacturer: Hard-to-Find Fastener

Item Dimensions: 1.44 x 2.19 x 2.5 inches (3.7 x 5.6 x 6.4 cm)   |   Package Dimensions: 1.2 x 2.6 x 2.7 inches (3.0 x 6.6 x 6.9 cm)

Amazon Price: $12.82 | as of 03/25/2019(11:01pm pst)
Availibility:
List Price: $16.88

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  #11

The Hillman Group 180210 Coupling Nut, 1/4 - 20, 50-Pack

Model: 180210   |    Mpn: 180210   |    Ean: 0008236073140   |    PartNumber: 180210   |   Asin: B003VFVVHW

Coupling Nuts are long nuts used to connect pieces of threaded rod or other male threaded fasteners. They are similar to hex nuts with extreme height measurements giving it length. The coupling nut joins two pieces of threaded rod.

Features

Brand: Hillman   |   Manufacturer: The Hillman Group

Item Dimensions: 2.1 x 2.9 x 3.1 inches (5.3 x 7.4 x 7.9 cm)   |   Package Dimensions: 1.9 x 2.5 x 3 inches (4.8 x 6.4 x 7.6 cm)

Amazon Price: $12.53 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.53

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  #12

uxcell M8 X 1.25-Pitch 24mm Length 304 Stainless Steel Metric Hex Coupling Nut, 2-Pack

 PartNumber: a18091400ux0092   |   Asin: B07JPKHCN1

Description: Female thread,304 stainless steel material. This rod coupling is designed with female thread and hex rod. Installed with sleeve anchor, wedge anchor and all thread rod, etc. Specification: Product Name: Hex Coupling Nut Material: 304 Stainless Steel Thread Size: M8 - 1.25 Hex Width: 13mm / 0.51" Length: 24mm / 0.94" Grade: 4.8 Package Content: 2 pcs x Hex Coupling Nut

Features

  • Pitch: 125mm
  • Hex Width: 13mm / 0.51
  • Length: 24mm / 0.94
  • Made of 304 stainless steel, good rust and durable.
  • APPLICATION: Strong and are great for both indoor and outdoor use.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Item Dimensions: 0.79 x 1.57 x 1.97 inches (2.0 x 4.0 x 5.0 cm)   |   Package Dimensions: 0.47 x 3.78 x 5.94 inches (1.2 x 9.6 x 15.1 cm)

Amazon Price: $6.79 | as of 03/25/2019(11:01pm pst)
Availibility:
List Price: $6.79

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  #13

Hard-to-Find Fastener 014973403300 Coarse Rod Coupling Nuts, 1/4-20, Piece-25

Model: 014973403300   |    Mpn: CPLNT2-087-25   |    Ean: 0738287034912   |    PartNumber: CPLNT2-087-25   |   Asin: B00L1L6JHU

We stock a wide variety of fasteners ideal for many applications arround the home, farm, business, automotives, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finsh. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.

Features

  • Diameter 1: 1/4-Inch
  • Diameter 2: 7/16-Inch
  • Length: 1-3/4-Inch
  • Material: Steel
  • Finish: Zinc
  • Diameter 1: 1/4 inch
  • Diameter 2: 7/16 Inch
  • Length: 1-3/4 inch
  • See more on Amazon...

Brand: Hard-to-Find Fastener   |   Manufacturer: Hard-to-Find Fastener

Item Dimensions: 2.13 x 3.13 x 3.5 inches (5.4 x 8.0 x 8.9 cm)   |   Package Dimensions: 2.3 x 3 x 3.6 inches (5.8 x 7.6 x 9.1 cm)

Amazon Price: $12.20 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.58

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  #14

The Hillman Group 5 pc - 3/8-16 Coupling Nuts

 Ean: 0008236929232   |    PartNumber: 1   |   Asin: B00L8SYMQQ

Features

  • 5-Count 3/8-in Zinc-Plated Standard (SAE) Regular Nuts
  • Designed to secure 2 parts together, usually threaded rod
  • Hex-shaped on the outside so a wrench can tighten or loosen it
  • Nut Diameter 3/8-in. Nut Thread Size 16.
  • Zinc-plated finish
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Brand: The Hillman Group   |   Manufacturer: The Hillman Group

Package Dimensions: 0.5 x 4 x 4 inches (1.3 x 10.2 x 10.2 cm)

Amazon Price: $3.85 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.98

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  #15

1/4-20 Rod Coupling Nuts, Stainless Steel 18-8, Plain Finish, Quantity 25 By Fastenere

 Ean: 0842176121444   |    PartNumber: 3SNCP904C   |   Asin: B01FKW5F0M

A coupling nut also known as extension nut is a threaded fastener for joining two male threads, most commonly a threaded rod, but also pipes.

Features

  • Fastenere Brand Stainless Steel Fasteners are backed by Fastenere Industry leading customer service and Guaranteed Satisfaction. These Fasteners offer a high level of corrosion resistance and will outperform other fasteners for years to come.
  • See more on Amazon...

Brand: Fastenere   |   Manufacturer: Fastenere

Package Dimensions: 0.3 x 3 x 4.5 inches (0.8 x 7.6 x 11.4 cm)

Amazon Price: $17.44 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.44

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  #16

Hard-to-Find Fastener 014973322175 Coupling Nuts, 3/8-24, Piece-5

Model: 014973322175   |    Mpn: CPLNT-106-5   |    Ean: 0014973322175   |    PartNumber: CPLNT-106-5   |   Asin: B00L1L69UM

We stock a wide variety of fasteners ideal for many applications arround the home, farm, business, automotives, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finsh. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person.

Features

Brand: Hard-to-Find Fastener   |   Manufacturer: Hard-to-Find Fastener

Item Dimensions: 1.44 x 2.5 x 2.5 inches (3.7 x 6.4 x 6.4 cm)   |   Package Dimensions: 1.4 x 2.5 x 2.5 inches (3.6 x 6.4 x 6.4 cm)

Amazon Price: $7.84 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.45

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  #17

uxcell M6 X 1-Pitch 25mm Length 304 Stainless Steel Metric Hex Coupling Nut, 4-Pack

 PartNumber: a18091400ux0094   |   Asin: B07JQ6GV38

Description: Female thread,304 stainless steel material. This rod coupling is designed with female thread and hex rod. Installed with sleeve anchor, wedge anchor and all thread rod, etc. Specification: Product Name: Hex Coupling Nut Material: 304 Stainless Steel Thread Size: M6 - 1 Hex Width: 10mm / 0.39" Length: 25mm / 0.98" Grade: 4.8 Package Content: 4 pcs x Hex Coupling Nut

Features

  • Pitch: 1mm
  • Hex Width: 10mm / 0.39
  • Length: 25mm / 0.98
  • Made of 304 stainless steel, good rust and durable.
  • APPLICATION: Strong and are great for both indoor and outdoor use.
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Item Dimensions: 0.79 x 1.57 x 1.97 inches (2.0 x 4.0 x 5.0 cm)   |   Package Dimensions: 0.28 x 3.86 x 5.63 inches (0.7 x 9.8 x 14.3 cm)

Amazon Price: $9.19 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.19

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  #18

HJ Garden 2pcs 6mm Flange Shaft Coupling High Hardness Metal Flanged Joint Guide Shaft Support Coupler for DIY Model Shaft Connection

 Ean: 0705883162288   |    PartNumber: FCoupler-M6-2   |   Asin: B07JCQ32T6

Product Specification:
Product Name: 6mm Flange Shaft Coupling
Material: 45 Steel
Cylinder Size (IDxODxH): 6x10x10mm
Base Size: (DxH): 22x2mm
Fastening Screw Hole: M3
Base Mounting Screw Hole: M3
Base Hole Pitch: 16mm

Flange shaft coupling, made of 45# steel, hardened by heat treatment, and then electroplated, is much stronger than the copper and aluminum alloy coupling. It is a special shaft coupling, which can fix one shaft on the plane and easily install other accessories on the shaft, suitable for model shaft connection, it is a good accessory for stepper motor, RC model motor, DIY model making, hardware tools, etc.

Package:
2pcs 6mm Flange Shaft Coupling
1pc M3 Mini Hex Wrench
4pcs Fastening Screws

Features

  • 2pcs Flange Shaft Coupling, suitable for model shaft connection, it is a good accessory for stepper motor, RC model motor, DIY model making etc.
  • Cylinder Size (IDxODxH): 6x10x10mm, Base Size: (DxH): 22x2mm, Fastening Screw Hole: M3, Base Mounting Screw Hole: M3, Base Hole Pitch: 16mm
  • Made of 45# steel, hardened by heat treatment, and then electroplated, much stronger, wearproof, durable to use.
  • Easy to install and change. Can fix one shaft on the plane and easily install other accessories on the shaft.
  • Package Include: 2pcs 6mm Flange Shaft Coupling, 1pc M3 Mini Hex Wrench, 4pcs Fastening Screws
  • See more on Amazon...

Brand: HJ Garden

Package Dimensions: 0.6 x 2.85 x 3.65 inches (1.5 x 7.2 x 9.3 cm)

Amazon Price: $11.59 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.59

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  #19

ZXHAO 7mm/0.28 inch Metal Flange Shaft Coupling Rigid Flange Coupling Motors Guide Shaft Axis Bearing 2pcs

 Ean: 0719889047791   |   Asin: B07HK8LQWC

Product Contain: 2pcs Flange Shaft Coupling + 2pcs Mini Hex Wrench + 5pcs Fastening Screw
Durable and insulation, make your shaft more stable, easy to install and replace.
Due to manual measurement, and production, the batch is not the same, size, weight, color, there will be a certain error, error within 2% of the normal situation.
SOMETHING ABOUT US- ZXHAO have the customers satisfaction for their first priority. If you have any questions,please feel free to contact us by mail FIRST. We will offer our best service for you.

Features

  • Cylinder Outer Diameter: 16mm/0.6 inch; Cylinder Height: 10mm/0.39 inch
  • Inner Diameter: 7mm/0.28 inch; Base Diameter: 32mm/1.26 inch; Base Height: 3mm/0.12 inch
  • Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
  • Metal: Fine plating metal, hardened by heat treatment, and then electroplated.
  • Function: A special coupler, which can fix one shaft to a plane and install other parts on the shaft easily.
  • See more on Amazon...

Brand: ZXHAO   |   Manufacturer: ZXHAO

Package Dimensions: 0.51 x 2.32 x 3.43 inches (1.3 x 5.9 x 8.7 cm)

Amazon Price: $9.99 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #20

GENOVA INC 70164 6"X4" DWV RED Coupling 6" x 4"

Model: 70164   |    Mpn: 70164   |    PartNumber: 70164   |   Asin: B01BWLOO2U

PVC Schedule 40 DWV. Used to reduce or increase to different sizes of DWV pipe. (Hub x Hub).

Features

  • PVC Schedule 40 DWV. Used to reduce or increase to different sizes of DWV pipe. (Hub x Hub)
  • See more on Amazon...

Brand: Genova   |   Manufacturer: GENOVA INC

Item Dimensions: 8 x 8 x 10 inches (20.3 x 20.3 x 25.4 cm)   |   Package Dimensions: 5.8 x 6.1 x 6.5 inches (14.7 x 15.5 x 16.5 cm)

Amazon Price: $15.66 | as of 03/25/2019(11:01pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $23.77 | Used Price: $6.08

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