If you’ve ever built with LEGO® Technic, you’ve likely come across a small but powerful piece for bringing all your creations to life: LEGO® Technic, Brick 1 x 2 with Axle Hole (AKA the LEGO® part with an axle hole). This design feature allows LEGO® Technic axles and pins to pass through or connect, enabling rotational movement and more complex mechanical builds.
So, What Is This Quintessential LEGO® Connector Called?
As discussed before, the most common part in the LEGO® inventory is known as the LEGO® Technic, Brick 1 x 2 with Axle Hole, officially cataloged as Part 32064 (also known by alternate IDs like 31493 or 32064b, truthfully the ID list goes on forever). This brick has a single axle hole running sideways (perpendicular to the stud direction), which is key for creating mechanisms with rotating components like a car or vehicle.
Other Technic LEGO® Connector Variants
Another popular variant is the Technic Axle Extension 3m, identified by Design IDs 26287 / 42195. This piece, released between 2016 and 2025, features axle holes on either end and is commonly used to lengthen axles or join multiple segments. It measures approximately 0.9″ x 0.3″ x 0.3″ and appears in over 300 sets, available in more than 11 colors.
Technic Pieces With “Holes” in Them Appear Everywhere…for Good Reason
In the broader Technic ecosystem, axle holes appear in many components:
✅ Axle connectors join axles at various angles.
✅ Technic beams and plates serve as structural elements with multiple holes.
✅ Technic pins allow perpendicular or rotational connections between parts.
There are also rarer bricks with axle holes embedded sideways that combine both studs and axle functionality, which are ideal for LEGO® builders who want to merge traditional LEGO® and Technic systems for their own MOC (My Own Creation).
While you might search for the generic “Technic brick with axle hole,” that’s quite a general name for an incredible potent LEGO® piece. Depending on what you’re really after, the exact part you’re looking for may vary. For precision, referencing official part numbers like 32064 or 42195 is the best way to ensure compatibility in your next build.
Also, taking a picture of the piece you have or want and using Google images to find it is a safe bet!
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