- Compression limiters are unthreaded inserts for plastic reinforcement, used as reinforcing bushings in plastic housings to increase resistance to the tightening of screws and bolts.
- The CL220 compression limiters are press-in type, designed for post-mold installation in plastic housings. They are produced from high carbon steel and finished with an ArmorGalv coating.
- The CL220 is the standard version of split seam compression limiters and offers the widest range of diameter and length combinations, making it the most versatile solution for multiple application requirements.
- A key feature of this insert is its protective ArmorGalv coating. This zinc alloy thermal diffusion coating, complemented by two sealing layers, ensures more than 1000 hours of salt spray resistance. The coating covers all surfaces, including the internal diameter, guaranteeing full protection even in demanding applications such as automotive, marine, mining, and heavy industry. The CL220 is the only standard compression limiter finished with thick protective ArmorGalv coting.
- During assembly, the spring force generated by the split seam provides self-retention without the need for additional fixtures. The flexible outside diameter compensates for wide hole tolerances, while the seam is engineered to prevent interlocking in the free state.
- As with all split seam compression limiters, it is recommended to prepare the plastic hole with a small entry radius to facilitate insertion. The host must respect the recommended tolerances for at least 60% of the plastic thickness, with a minimum engagement depth of 4 mm. The hole size must not fall below the specified minimum in order to prevent the seam from fully closing during assembly.
- Once installed, the CL220 provides a standard clearance of 1 mm around the bolt diameter, allowing for reliable compensation of possible misalignments.
- The CL220 series is rated for use with bolts up to ISO Class 8.8 and is available in diameters ranging from M4 to M12. Special lengths and inch sizes can be supplied upon request.
Limiteurs de compression en acier, à sertir, version standard
DOCUMENTATION
Download the complete Catalog of Threaded Inserts for Plastic and Compression Limiters
Find here frequently asked questions about Inserts for plastics
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INFORMATION
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