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4mm to 5mm Shaft Coupling 25mm Length 18mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 2

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$7.69

$ 3 .99 $3.99

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About this item

  • Shaft Usage: 4mm to 5mm / 0.16 to 0.19 inch
  • Material: Aluminum alloy; Size: 25x18mm/ 0.98x0.71 inch( L*D)
  • Feature: Set screws (Coiling Clamping); Main Color: Silver tone
  • Flexibility of coupling shaft removes stress between the motor and driving components.
  • The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the debugging difficulty.


Description:
4mm to 5mm shaft usage diameter, 25mm length, 18mm diameter, set screw type, beam coupling.
Zero backlash. One-piece metallic spring coupling. For little torque shaft connect.
Absorption of parallel, angular misalignments and shaft end-play by spring action.
Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required.

Specification:
Feature: Set screw (coiling clamping)
Size: 25x18mm/ 0.98x0.71inch( L*D)
Material: Aluminum alloy
Main Color: Silver tone
Weight: 30g

Package Content:
2 x Shaft coupling


Chas
Reviewed in the United States on May 21, 2023
Nothing to like or dislike.
Curtis
Reviewed in the United States on June 6, 2020
The machining on these couplings is quite good. The spiral machined into the middle, which provides flex and stress relief, is a a clever design.
L&S
Reviewed in the United States on May 30, 2020
Nice concentric item. Definitely works as intended. Used to couple stepper motor to shaft.
DisseminateJoy
Reviewed in the United States on October 6, 2020
Local to me is the company that designed and patented these. There were a few of these in the space shuttles, some are in the Hubble. If it's good enough for that, it is going to be great in your 3D printer!
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