8mm to 8mm Shaft Coupling 40mm Length 25mm Diameter Coupler Aluminum Alloy Joint Motor for 3D Printer CNC Machine DIY Encoder

FEATURES

• 【Specification】8mm to 8mm shaft coupling; 40x25mm/ 1.57inchx0.98inch( L*D).
• 【Good Flexibility】Good flexibility of the coupling shaft removes stress between the motor and driving components.
• 【Excellent Adaptability】This shaft coupling is used for small torque shaft connection. Absorption of parallel, angular misalignments and shaft end-play by spring action.
• 【Applications】The shaft coupling joint connector is widely applied to small CNC machines encoding and 3D printers Z shaft coupling.

Where do your products come from?
We source inventory through liquidation and wholesale channels, including overstock, closeouts, shelf-pulls, and inspected customer returns from major retailers and distributors.

Why are your prices so much cheaper than retail?
We buy inventory in bulk and price items to move quickly. This reduces overhead and removes typical retail markups.

Are the products authentic?
We focus on legitimate sourcing channels and aim to describe items accurately with clear condition information.

What does “Like New” mean?
Like New items are in excellent condition with little to no signs of use. This can include items that were opened but are still in like-new condition.

Why do some items have different packaging?
Liquidation inventory may include items with opened or replacement packaging. Condition is always shown on the listing.

Do you combine shipping?
Yes—when possible, items may ship together. For the continental U.S. (lower 48 states), the applicable flat-rate or free-shipping rule applies to the combined order. Shipping to Alaska, Hawaii, other U.S. destinations, and international addresses is calculated at checkout based on destination and package details.

Do you offer free shipping?
Yes—orders of $35 or more ship free in the continental U.S. (lower 48 states). Orders under $35 in the continental U.S. ship for a flat rate of $8.99. Shipping to Alaska, Hawaii, other U.S. destinations, and international addresses is calculated at checkout.

How fast do you ship and which carriers do you use?
For calculated destinations, shipping options and timelines are shown at checkout. We typically use major carriers such as USPS, UPS, and FedEx depending on package and destination.

What is your return policy?
Please refer to our Returns Policy page for eligibility and timelines.