EasyMech MS NEMA17 Shaft Coupling 5mm X 8mm

(8 customer reviews)

Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 31569
  1. Material: Mild Steel(MS).
  2. Color: Black
  3. Bore Diameter d1: 5 mm.
  4. Bore Diameter d2: 8 mm.
  5. Overall Length: 30 mm.
  6. Outer Diameter Od: 16 mm.


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Out of stock

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15 Days Warranty
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Brand: EasyMech
Category: 3D Printer Coupling
Tags: EasyMech, 5x8 Coupling, Mild Steel Coupling

This EasyMech MS NEMA17 Shaft Coupling 5mm X 8mm is made up of hardened Mild Steel. The Mild Steel is much heavier and much denser material than the Aluminum.

The EasyMech Mild Steel NEMA Shaft Coupling is slightly cheaper than the EasyMech Aluminum Coupling but yet stronger than Aluminum coupling. Hence they are more rigid couplings.

This MS coupling is painted with the black color to make it corrosion resistant which also makes it more attractive in look. By careful installation and maintenance of couplings, substantial savings can be made to reduce maintenance costs and annoying downtime.

They can firmly hold the shaft of the motor and other peripherals with the help of Grub Screws which can be tightened rigidly by using Allen Key which we have included in this product pack.

Aluminum couplings are found in 3D Printers, CNC machines and other DIY projects to couple Stepper motors and 8mm rods/threaded rods/precision trapezoidal rods.

Please note that the bore diameters of this product are as d1=5mm and d2=8mm.

Features :

  1. Exhibits good strength.
  2. Hardened Mild Steel couplings.
  3. Fit for all CNC projects

Package Includes :

1 x EasyMech MS NEMA17 coupling.

1 x Medium Quality Allen Key 2mm

2 x MS M4x6 Socket Set Screws(Allen Grub)

To know more about EasyMech, please do read our following article

What is EasyMech?

Item Type:

NEMA17 Shaft Coupling


Mild Steel

Bore Diameter (mm)

5 x 8

Length (mm):


Bore Diameter [d2] (mm)


Bore Diameter [d1] (mm)


Outer Diameter (OD)(mm)


Weight (g):


Shipping Weight 0.039 kg
Shipping Dimensions 4 × 2 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 8 reviews

4.9 overall

Add a review

  1. madeinkeralavlog (verified owner)

    Nice build, satisfactory product


  2. Kabir

    super finished and durable product


  3. johnbrittojames (verified owner)



  4. godlib (verified owner)

    Excellent as expected

    will order more


  5. Sandeep Bodkhe (verified owner)

    Came in time. Nice and sturdy!!?

    Sandeep Bodkhe

  6. Santhosh (verified owner)

    It’s good one… Robust and rigid. No doubt in quality..it’s made of MS IRON I can recommend this product.


  7. Yogendar bohra (verified owner)

    Product delivered in time and product quality is good according to price

    Yogendar bohra

  8. HimSheDwi (verified owner)

    Item in mint condition but the delivery was very late



EasyMech MS NEMA17 Shaft Coupling 5mm X 8mm

What is EasyMech?

EasyMech is a brand of Robu.in which intends to make the life of users easy; by providing easy to use mechanical products.

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Country Of Origin: India

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