MECCANIXITY 2 Pcs 3 to 8mm Flexible Shaft Coupling 20mm L 15mm Dia - size: 3 to 8mm
MECCANIXITY 2 Pcs 3 to 8mm Flexible Shaft Coupling 20mm L 15mm Dia - size: 3 to 8mm
About this item
- This Shaft Coupling is a mechanical component used to connect or fix two shafts. Widely used in transmission systems of transportation vehicles, such as machine tools, automobiles, ships, airplanes, and other occasions for transmitting power and torque.
- You will get 2 pcs Rigid Shaft Coupler Joint; Outer Diameter: 15 mm/0.59 inch; Inner Diameter: 3 to 8 mm; Length: 20 mm/0.8 inch
- These couplings are made of heat-resistant and corrosion-resistant anodized aluminum alloy, ensuring long-lasting durability. Their annular groove design adds flexibility, reducing stress between the motor and drive components for stable operation and preventing damage. They are easy to install and disassemble, and offer cushioning and shock absorption. Plus, their reliable clamping design prevents sticking, making them suitable for high-precision, heavy-load transmission applications.
- Install the mechanical component onto the shaft, ensuring proper alignment with the bore. Tighten the screws to secure the mechanical component to the shaft. After installation or adjustment, check the screws to ensure they are not loose.
- The measurement is done manually; please allow for an error of 1 to 2mm. Please purchase the specified size according to your needs before making a purchase.
Overview
- Material: Aluminum
- Fastener Type: Coupling
- Thread Size: M3
- Exterior Finish: Aluminum
- Metal Type: Aluminum
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-
RC Off-Road SUV Wrangler Black Warrior Building Kits, 1/8 Scale Truck Car
Regular price $170.96 USDRegular priceSale price $170.96 USD -
3D Printer Table with Filament Storage, Heavy Duty Metal 3D Printer Stand for 2 Printers, Anti-Vibration 3D Print Desk with Spool Holder for Workshop, Studio, Home Office - color: Black
Regular price $142.74 USDRegular priceSale price $142.74 USD -
C4Labs Zebra Pico W Case – for the Raspberry Pi Pico W/Pico 2 / Pico 2W - Three Pack - size: Three Pack
Regular price $36.50 USDRegular priceSale price $36.50 USD -
3D Printer Stand with Filament Storage, Heavy Duty Metal 3D Printer Table for 2 Printers, Anti-Vibration 3D Print Desk with Spool Holder for Workshop, Studio, Home Office - color: Brown
Regular price $141.08 USDRegular priceSale price $141.08 USD -
MiOYOOW 2 Pack Line Following Robot Car Kit, Beginners Smart Car Soldering Practice Kit STEM Educational Electronics Soldering Projects for School and Home Learning - color: 2 Pack-soldering Tracking Car(dc Motor)
Regular price $31.52 USDRegular priceSale price $31.52 USD -
255x255mm PEI Magnetic Build Plate Double Sided Spring Steel Flexible Bed for 3D Printers Enhanced Adhesion Easy Removal for PLA PETG ABS
Regular price $42.21 USDRegular priceSale price $42.21 USD -
Yunbaoit Visual Timer with Night Light, 60 Minute Countdown, White Rainbow - color: White-rainbow
Regular price $26.54 USDRegular priceSale price $26.54 USD -
Learning Resources Simple 3 Button Stopwatch, Supports Science Investigations, Timed Math Exercises, Elapsed Time Tracking, Ages 5+
Regular price $18.49 USDRegular priceSale price $18.49 USD -
Haptic Motor Controller, Motor Drive Modulely, DRV2605L Motor Drive Modulely with in General Pin for Control Audio to Generate Haptic Code
Regular price $25.05 USDRegular priceSale price $25.05 USD -
4 Pin LED Strip Connector Kit for10mm Wide LED Light Strip
Regular price $23.22 USDRegular priceSale price $23.22 USD -
Yunbaoit Visual Timer with Night Light, 60 Minute Countdown, Pink Unicorn - color: Pink-unicorn
Regular price $29.86 USDRegular priceSale price $29.86 USD -
Sproutbrite 6 Pack 12” x 16” Educational Motivational Posters & Charts - color: Inspirational Posters
Regular price $16.52 USDRegular priceSale price $16.52 USD -
Dianelhall 25 Pcs Cardboard Brochure Holder 4.33x5.51 Rack Card Stand
Regular price $38.16 USDRegular priceSale price $38.16 USD -
Yunbaoit Visual Timer with Night Light, 60 Minute Countdown, Light White - color: Light White
Regular price $26.54 USDRegular priceSale price $26.54 USD -
CNCESS Waterproof RCA Male to Male Cable, 2-Pack (6 Inches) - size: 6 IN
Regular price $17.75 USDRegular priceSale price $17.75 USD -
Sproutbrite 8 Pack 12”x16” Educational Motivational Posters for Classroom - color: Motivational
Regular price $16.52 USDRegular priceSale price $16.52 USD -
Yunbaoit Visual Timer with Night Light, 60 Minute Countdown, Purple - color: Purple
Regular price $26.54 USDRegular priceSale price $26.54 USD -
600 Pcs Plastic Centrifuge Test Tubes with Screw Caps, Blue - color: Blue
Regular price $220.76 USDRegular priceSale price $220.76 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
-
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...

















