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Best Coupling Nuts - Buying Guide

Last Updated: 09/19/2019

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Bestselling Coupling Nuts on Amazon

  1. The Hillman Group 5 pc - 3/8-16 Coupling Nuts
  2. Simmons 946 1-1/4" DRIVE COUPLING
  3. uxcell 5mm to 8mm Shaft Coupling 30mm Length 25mm Diameter Motor Coupler Aluminum Alloy Joint Connec...
  4. Smartsails 5PCS M6 X 1-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut
  5. Genova 30114 PVC Sch. 40 Couplings Size: 1 1/4"
  6. 2 Pcs M8 66 Long Hexagon Nut Studding Connectors Coupling Nut Long Rod Coupling Hex Nut Screw Nut Co...
  7. 10pcs M6 x 1 x 20mm Stainless steel Long Coupling Hex Nut Connector
  8. TOUHIA 12mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector Metal Axis Bearing Fitti...
  9. M6 Long Rod Nut Hex Coupling Nut Female Thread Straight Fitting Hex Rod Threaded Bar Rod Studding He...
  10. uxcell Shaft Coupling 2mm to 5mm Bore L20xD12 Robot Motor Wheel Rigid Coupler Connector Red

  #1

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: $6.85 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.85

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  #2

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

  • Extra heavy, recessed and straight tapped. All forged steel
  • Brand name: Simmons
  • Model number: 946
  • Country of Origin: China
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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: 2 x 2.1 x 2.4 inches (5.1 x 5.3 x 6.1 cm)

Amazon Price: $9.24 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.17

Warranty: N

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  #3

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,and please select the diaphragm motor wheel flexible coupling joint .Please be cautious before your final purchasing, thank you. Specification:Type: Plum ShapedSize: 30x25mm/ 1.18x0.98inch( L*D)Material: Body: Aluminum Alloy; Sleeve: PolyurethaneMain Color: Silver Tone, RedWeight: 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.
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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: $12.39 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.39

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  #4

Smartsails 5PCS M6 X 1-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut

 Ean: 0682559138047   |    PartNumber: S121JCLM   |   Asin: B07R46STQP

Product Name: Hex Coupling Nut
Size :M6x30mm
Material: Female thread,304 stainless steel material.
Length: 30mm / 1.18"
Hex Width: 10mm / 0.39"
Thread Size: M6 - 1
Package Content: 5 pcs x Hex Coupling Nut

Features

  • Material: Made Of 304 Stainless Steel, It Has Good Rust Resistance And Durability.
  • Hex Width: 10mm / 0.39
  • Length: 30mm / 1.18 Pitch: 1mm
  • Hex-Shaped On The Outside So A Wrench Can Tighten Or Loosen It
  • APPLICATION: Designed To Secure 2 Parts Together, Usually Threaded Rod.Strong And Are Great For Both Indoor And Outdoor Use
  • See more on Amazon...

Brand: Smartsails   |   Manufacturer: Smartsails

Package Dimensions: 0.7 x 0.8 x 4.6 inches (1.8 x 2.0 x 11.7 cm)

Amazon Price: $9.99 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #5

Genova 30114 PVC Sch. 40 Couplings Size: 1 1/4"

Model: 30114   |    Mpn: 30114   |    Ean: 0038561301144   |    PartNumber: 30114   |   Asin: B000BPG0DU

1-1/4", White, Slip x Slip Coupling, Used To Join 2 Lengths Of Pipe Of The Same Size, Used In Sprinkler & Irrigation Systems, Meets The Requirements Of ASTM D 2466.

Features

Brand: Genova   |   Manufacturer: Jensen (Home Improvement)

Item Dimensions: 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm)   |   Package Dimensions: 2 x 2 x 2 inches (5.1 x 5.1 x 5.1 cm)

Amazon Price: $1.27 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $3.01

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  #6

2 Pcs M8 66 Long Hexagon Nut Studding Connectors Coupling Nut Long Rod Coupling Hex Nut Screw Nut Column for Joining Lengths of Studding or Continuous Threaded Rod

 Ean: 0747333436839   |    PartNumber: Hyuduovgk1sei6u9   |   Asin: B07Q85XBR1

Specification:
Condition: 100% Brand New
Product material: carbon steel
Surface treatment: galvanized
Quantity: 2pcs
Type: M8 * 66

Package list:
2 * Standoff

Features

  • Galvanizing Process: The surface of the nut is treated with an advanced galvanizing process to prevent rust.
  • Reasonable Design: The design of the six ribs of the coupling nut conforms to the mechanical principle and is easy to screw tighter.
  • Wide Range of Applications: The long hex nut inlay connector, also known as the coupling nut, can be used to attach long studs or threaded rods.
  • High Quality: The long rod nut is made of high quality carbon steel and is durable.
  • Easy to Operate: The carbon steel nut can be used to mount bolts, studs or mechanical screws and to connect two components together.
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Brand: Hyuduo   |   Manufacturer: Hyuduo

Item Dimensions: 0.59 x 1.18 x 2.76 inches (1.5 x 3.0 x 7.0 cm)   |   Package Dimensions: 0.39 x 2.13 x 3.07 inches (1.0 x 5.4 x 7.8 cm)

Amazon Price: $6.49 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #7

10pcs M6 x 1 x 20mm Stainless steel Long Coupling Hex Nut Connector

 Ean: 0713721765294   |    PartNumber: M6 x 1 x 20mm   |   Asin: B07MZPFM8Q

10pcs Stainless steel Long Coupling Hex Nut Connector M6 x 1 x 20mm

Features

  • Material: 304 Stainless steel
  • Type: Hex Rod Coupling Nuts
  • Standard: GB Metric Right Hand
  • Size: Inner diameter(d): M6 x 1, Outside diameter(S): 10mm, Length(L): 20mm
  • Package include: 10 x Nut
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Brand: Yodaoke   |   Manufacturer: Yodaoke

Package Dimensions: 0.91 x 4.29 x 4.96 inches (2.3 x 10.9 x 12.6 cm)

Amazon Price: $11.99 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.49

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  #8

TOUHIA 12mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector Metal Axis Bearing Fittings DIY Parts(2Pcs)

 Ean: 0794587355782   |    PartNumber: THCP0094   |   Asin: B07NV4F8JT

Material: metal
Main color: silver
A special coupler that holds a shaft to a flat surface and easily mounts other components on the shaft.
The structure is simple, the cost is low, and high torque can be transmitted. The relative displacement of the two axes is not allowed, no buffering.
Widely used in metal, mold, mechanical drive applications.

After-sale service: Feel free to contact us with any product issues.

Features

  • Type: Rigid flanged shaft coupling, RC model motor, RC aircraft boat, ideal for DIY models.
  • Material: It is made of high-quality and fine-plated iron, hardened by heat treatment and has high hardness.
  • Inner diameter: 12mm, cylinder outer diameter: 18mm, cylinder height: 10mm
  • Base diameter: 32mm, base height: 3mm, fastening screw hole: M4, base fixing screw hole: M4
  • Packing: 2 x 12mm flanged shaft coupling &4 x M4 fastening screw
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Brand: TOUHIA   |   Manufacturer: TOUHIA

Package Dimensions: 0.4 x 2.6 x 4 inches (1.0 x 6.6 x 10.2 cm)

Amazon Price: $9.69 | as of 09/19/2019(6:37pm pst)
Availibility:
List Price: $9.69

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  #9

M6 Long Rod Nut Hex Coupling Nut Female Thread Straight Fitting Hex Rod Threaded Bar Rod Studding Hex Zinc Plated 10pcs(M6 X18mm)

 Ean: 0703633814418   |    PartNumber: Hyuduogbudwoq624-01   |   Asin: B07Q2S6PJD

Specification:
Condition: 100% Brand New
Product material: carbon steel
Surface treatment: galvanized
Quantity: 10pcs
Type: M6 * 18, M6 * 25, M6 * 30 (optional)

Package list:
10 * Standoff

Features

  • Material And Quality: The hex connector deep nuts are made of zinc plated carbon steel material, which offer good corrosion resistance.
  • Good Design: The long fine thread rods are Hexagonal,which have 6 sides that give a good granularity of angles for a tool to approach.
  • Functions And Work: The threaded rod connectors are used to fit bolts, studs or machine screws for fastening two parts together to make them one piece.
  • More Options: The M6 hex coupling nuts include three different types, which can meet your needs, besides, they will be great replacement for industrial and construction fasteners.
  • Widely Used: The rod studding hex are used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.
  • See more on Amazon...

Brand: Hyuduo   |   Manufacturer: Hyuduo

Item Dimensions: 0.39 x 2.36 x 2.36 inches (1.0 x 6.0 x 6.0 cm)   |   Package Dimensions: 0.5 x 1.5 x 1.5 inches (1.3 x 3.8 x 3.8 cm)

Amazon Price: $6.99 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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  #10

uxcell Shaft Coupling 2mm to 5mm Bore L20xD12 Robot Motor Wheel Rigid Coupler Connector Red

 PartNumber: B07P5Z2Y41   |   Asin: B07P5Z2Y41

Specification: 4 pcs screws design Thread Size: M4 Color: Red Material: Aluminum Alloy Connection Diameter: 2mm to 5mm Total Length: 20mm /0.78 inch Outside Diameter : 12mm/ 0.47 inch Through Angle: 180 Degree Package List: 1 Pcs x Rigid Shaft Coupler 4 Pcs x M4 Screws Description: Made from aluminum alloy material to reduce inertia Rigid coupling,high torque with rigidity,low inertia and excellent sensitivity No rotation gap, elastic action can make up for symmetrical angular misalignment Maintenance-free, oil proof and corrosion resistance Suitable for model car, model boat, hardware, mould, mechanical drive situations etc Note: Please allow 1-3mm differs due to manual measurement Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding

Features

  • Connection Diameter: 2mm to 5mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inch
  • Suitable for model car, model boat, hardware, mould, mechanical drive situations etc.
  • Rigid coupling,high torque with rigidity,low inertia and excellent sensitivity
  • No rotation gap, elastic action can make up for symmetrical angular misalignment, Maintenance-free, oil proof and corrosion resistance
  • Package Content: 1 x Rigid Shaft Coupler, 4 Pcs x M4 Screws
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Item Dimensions: 0.79 x 0.79 x 1.18 inches (2.0 x 2.0 x 3.0 cm)   |   Package Dimensions: 1 x 1.8 x 2 inches (2.5 x 4.6 x 5.1 cm)

Amazon Price: $4.89 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $4.89

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  #11

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
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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 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.58

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  #12

Genova Products 30190 PVC Slip Coupling, 2-1/2"

Model: 30190   |    Mpn: 30190   |    Ean: 0038561006537   |    PartNumber: 30190   |   Asin: B000BQL3JA

2-1/2", slip x slip coupling. The product is manufactured in china. Easy installation and easy handling.

Features

  • PVC coupling
  • Used to join lengths of pipe
  • PVC Schedule 40 pressure fittings
  • Ideal for cold water pressure applications
  • Used in irrigation, underground residential sprinkler system, water service pipe, deionized water lines, swimming pool installations and some chemical drainage systems
  • Meets ASTM D2467
  • INSIDE MEASUREMENT - 2-1/2 slip x 2-1/2 slip
  • See more on Amazon...

Brand: Genova   |   Manufacturer: Genova Products

Item Dimensions: 4.25 x 3.25 x 3.25 inches (10.8 x 8.3 x 8.3 cm)   |   Package Dimensions: 3.3 x 3.4 x 4.4 inches (8.4 x 8.6 x 11.2 cm)

Amazon Price: $5.61 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.23

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  #13

uxcell M5 x 0.8-Pitch 20mm Length 304 Stainless Steel Metric Hex Coupling Nuts, 4 Pcs

 PartNumber: a18091400ux0095   |   Asin: B07JPYF4DC

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: M5 - 0.8 Hex Width: 8mm / 0.31" Length: 20mm / 0.78" Grade: 4.8 Package Content: 4 pcs x Hex Coupling Nut

Features

  • Pitch: 0.8mm
  • Hex Width: 8mm / 0.31
  • Length: 20mm / 0.78
  • 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: 0.24 x 3.39 x 6 inches (0.6 x 8.6 x 15.2 cm)

Amazon Price: $7.19 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.19

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  #14

Hard-to-Find Fastener 014973322113 Coarse Coupling Nuts, 5/16-18, Piece-8

Model: 014973322113   |    Mpn: CNS2-030-8   |    Ean: 0014973322113   |    PartNumber: CNS2-030-8   |   Asin: B00L1L4KLW

We stock a wide variety of fasteners ideal for many applications around the home, farm, business, automotive, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finish. 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 thoroughly 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: 5/16 inches
  • Diameter 2: 1/2 inch
  • Length: 3/4 inches
  • Material: Steel
  • Finish: Zinc
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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: 1.4 x 2.3 x 2.6 inches (3.6 x 5.8 x 6.6 cm)

Amazon Price: $8.50 | as of 09/19/2019(6:37pm pst)
Availibility:
List Price: $11.10

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  #15

Smartsails 5PCS M8 X 1.25-Pitch 25mm Length 304 Stainless Steel Metric Hex Coupling Nut

 Ean: 0682559138108   |    PartNumber: S125CLMM8   |   Asin: B07RTP85RY

Product Name: Hex Coupling Nut
Size :M8x25mm
Material: Female thread,304 stainless steel material.
Length: 25mm / 0.98"
Hex Width: 13mm / 0.51"
Thread Size: M8 - 1.25
Package Content: 5 pcs x Hex Coupling Nut

Features

  • Material: Made Of 304 Stainless Steel, It Has Good Rust Resistance And Durability.
  • Hex Width: 13mm / 0.51
  • Length: 25mm / 0.98 Pitch:1.25mm
  • Hex-Shaped On The Outside So A Wrench Can Tighten Or Loosen It
  • APPLICATION: Designed To Secure 2 Parts Together, Usually Threaded Rod.Strong And Are Great For Both Indoor And Outdoor Use
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Brand: Smartsails   |   Manufacturer: Smartsails

Package Dimensions: 0.71 x 0.87 x 5.91 inches (1.8 x 2.2 x 15.0 cm)

Amazon Price: $9.89 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.89

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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 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.41

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  #17

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.
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Brand: Fastenere   |   Manufacturer: Fastenere

Item Dimensions: 0.88 x 0.37 x 0 inches (2.2 x 0.9 x 0.0 cm)   |   Package Dimensions: 0.3 x 3 x 4.5 inches (0.8 x 7.6 x 11.4 cm)

Amazon Price: $17.37 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.37 | Used Price: $14.98

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  #18

HJ Garden 4pcs 6mm Brass Hex Shaft Coupling Motor Flexible Coupler Joint for Connecting DC Motor Shaft, Robot, Model Car Tyre etc.

 Ean: 0705883160482   |    PartNumber: 6BCoupler-M6-4   |   Asin: B07L3S64YP

Product Specification:
Product Name: Hex Shaft Coupling
Material: Brass
Cylinder Size (IDxODxH): 6x11.5x12mm
Hexagon Side Length: 7mm
Opposite Side Distance: 12mm
Diagonal Distance: 13.6mm
Overall Height: 18mm
Suitable Shaft: 6mm
Side Fastening Screw Hole: M4
Hexagonal Center Hole: M4

Feature:
1. Flexible coupling joint is made from high quality brass, steady, reliable and strictly functional.
2. Normally used to connect the motor shaft and the hexagonal wheels.
3. Easy to install, wide application range, suitable for RC model motor, motor straight shaft and other metal transfer, such as model aircraft, model car, model ship, robot, etc.

Package:
4pcs 6mm Brass Hex Shaft Coupling
8pcs M4 Fastening Screws
1pc M4 Hex Wrench

Features

  • 4pcs 6mm Brass Hex Shaft Coupling, Suitable for connecting motor shaft and wheels with diameter of 6mm (1/4 inch).
  • Cylinder Size (IDxODxH): 6x11.5x12mm, Hexagon Side Length: 7mm, Opposite Side Distance: 12mm, Diagonal Distance: 13.6mm, Base and Side Screw Hole: M4
  • Made from high quality brass, rust and corrosion resistance, sturdy and durable.
  • Easy to install and replace, be widely used to connect motor shaft and wheels, often used in DC motor, robot, toy car, car model and car tire, etc.
  • Packaged Include: 4pcs 6mm Flexible Coupler, 8pcs M4 Fastening Screws, 1pc M4 Hex Wrench
  • See more on Amazon...

Brand: HJ Garden

Package Dimensions: 0.67 x 2.36 x 3.54 inches (1.7 x 6.0 x 9.0 cm)

Amazon Price: $8.49 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.49

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  #19

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

  • For industrial applications
  • Use with threaded rod
  • Zinc Plated
  • Country of Origin: Taiwan, Province Of China
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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: $14.53 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.91

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  #20

Hard-to-Find Fastener 014973322281 Coupling Nuts, 3/4-16, Piece-2

Model: 014973322281   |    Mpn: CPLNT-133-2   |    Ean: 0014973322281   |    PartNumber: CPLNT-133-2   |   Asin: B00L1L6FVU

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 2.62 x 3.5 inches (3.7 x 6.7 x 8.9 cm)   |   Package Dimensions: 1.6 x 2.5 x 3.4 inches (4.1 x 6.4 x 8.6 cm)

Amazon Price: $9.49 | as of 09/19/2019(6:37pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.33

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