Square Connecting Blocks
This Square Connecting Blocks unit is manufactured from black POM (acetal), offering stable mechanical strength, smooth surfaces, and excellent dimensional consistency. Its compact geometry and clean mounting layout make it ideal for automation equipment, precision fixtures, and a wide range of Modular Assembly Components.
Product Features
1. Accurate Dimensions for Easy Installation
The part is machined to consistent tolerances with the following key dimensions:
Height: 22 mm
Width: 20 mm
Length: 22.5 mm
The lower base includes four M3 × 0.5 threaded holes. Each thread is cleanly formed, providing reliable mounting on plates, brackets, and custom equipment frames.

2. Durable Black POM Material
Made from high-quality black POM, the component offers:
High rigidity and wear resistance
Low moisture absorption
Excellent dimensional stability
Smooth, low-friction surfaces suitable for moving assemblies
Its performance makes it a solid choice for Custom Plastic Machined Parts used in automation, positioning modules, or engineering prototypes.
3. Practical and Stable Structure
A precisely machined hole in the upper section provides flexibility for alignment, sensor mounting, or transmission links. Flat, clean reference faces allow the part to integrate seamlessly with other mechanical elements.
Applications
Automation machinery and connection modules
Precision jigs, fixtures, and measuring setups
Transition and support blocks in small mechanisms
Prototyping kits, engineering models, and educational devices
Lightweight structural components within Modular Assembly Components systems
The Square Connecting Blocks design delivers durability, accuracy, and ease of installation, making it ideal for both single-unit builds and mass production.
FAQ
Q: Can the Square Connecting Block be customized?
A: Yes. We offer full customization, including size adjustments, threading, hole placement, and material substitutions.
Q: Is POM suitable for mechanical load-bearing structures?
A: POM provides excellent rigidity and resistance to wear, making it suitable for light to medium-load mechanical assemblies.
Q: What is the threading specification?
A: The part includes four M3 × 0.5 metric threaded holes, ready for direct installation with standard hardware.
Q: Do you accept small-batch prototype orders?
A: Absolutely. We support prototype machining, trial production, and high-volume manufacturing.
Q: Can this part be used in motion or sliding systems?
A: Yes. POM's natural low-friction properties make it ideal for moving or repetitive-motion mechanisms.
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