CO₂ Laser Lens Retaining Nut – Focal Tube
LASER PARTS | OPTICS & FOCAL COMPONENTS
CO2 Laser Lens Retaining Nut
This lens retaining nut is designed to secure a focusing lens inside a compatible CO2 laser focal tube. It helps keep the lens seated in its proper mounting position during cutting and engraving operations.
Featuring a compact, ring-style design, this replacement component is intended for use in compatible laser focusing assemblies. It is a practical replacement when an existing retaining nut becomes damaged, worn, or misplaced.
Product Type: Lens retaining nut
Application: CO2 laser focusing lens assembly
Design: Ring-style retaining component
Function: Secures the focusing lens within a compatible focal tube
Key Features
Secure Lens Retention
Designed to hold a compatible focusing lens in its mounting position within the laser's focal tube assembly.
Compact Ring Design
Fits within a matching lens mounting assembly without requiring additional space outside the focal tube.
Replacement Optical Component
Suitable for replacing a damaged or missing lens retaining nut when its dimensions and thread specifications match the original component.
Supports Proper Lens Installation
Helps retain the focusing lens in its intended seat as part of a correctly assembled optical system.
Technical Specifications
Focusing lens retaining nut
278
Black
Ring-style lens retaining component
Inside a compatible focal tube or focusing lens holder
Compatible CO2 laser focusing lens assemblies
Check Compatibility Before Ordering
Lens retaining nuts are not universal. Verify the outside diameter, thread size, thread pitch, and lens holder configuration against your existing component before ordering.
Important: This listing is for the lens retaining nut only. The focusing lens and focal tube are separate components.
Installation Note: Turn off and disconnect the laser before servicing the optical assembly. Handle the focusing lens carefully, avoid contact with its optical surfaces, and do not overtighten the retaining nut.
Need Help Finding the Right Replacement?
Not sure whether this retaining nut fits your laser machine? Contact Rabbit Laser USA with your machine model and photos of your existing lens holder or focal tube. Our technical support team can help you identify the appropriate replacement component.