6mm 8mm Pillar Parallel Clamp — Optical Axis Fixing Steel Pipe Round Frame Connector for CNC & 3D Printer

6mm 8mm Pillar Parallel Clamp Optical Axis Fixing Steel Pipe Round Frame Connector for CNC & 3D Printer

$17.05 USD

~~$29.22 USD~~ $17.05 USD

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Inner Diameter 6-6 hole spacing25 6-6 hole spacing20 6-6 hole spacing15 6-6 hole spacing10 8-8 hole spacing30 8-8 hole spacing25 8-8 hole spacing20 8-8 hole spacing15

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6mm 8mm Pillar Parallel Clamp — Optical Axis Fixing Steel Pipe Round Frame Connector for CNC & 3D Printer

Pillar parallel clamps for fixing 6mm and 8mm optical axis rods, steel pipes, and round frame rails in CNC machines, 3D printers, and linear motion systems. The parallel clamp design holds two rods in precise parallel alignment, making these essential for building and maintaining linear rail assemblies, frame structures, and optical axis guides.

Key Specifications

Compatible Rod Diameter	6mm / 8mm (per variant)
Type	Pillar parallel clamp / rod connector
Material	Steel
Application	Optical axis, steel pipe, round frame rail
Use Case	CNC machines, 3D printers, linear motion systems

Why Choose Pillar Parallel Clamps?

Precise parallel alignment — holds two rods in exact parallel for accurate linear motion
6mm & 8mm compatibility — fits the most common optical axis and steel pipe diameters used in CNC and 3D printing
Steel construction — rigid and vibration-resistant for long-term linear rail assemblies
Easy installation — clamp and tighten; no welding or special tools required

Typical Applications

CNC machine linear rail and optical axis assembly
3D printer frame rod fixing and alignment (Prusa, Mendel, CoreXY)
Linear motion system rod connector and spacer
Steel pipe frame and round rail structure assembly
DIY robotics and automation frame construction

Compatible With

6mm and 8mm diameter optical axis rods, smooth steel rods, and round steel pipes. Compatible with: standard 3D printer optical axis (8mm), CNC linear rail rods (6mm/8mm), and general round frame construction.