EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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Compression Rings were originally developed for use in all types of knob-to-shaft applications on thermoplastic nobs with split hubs. They are also used as a Compression Limiter inside a bolt hole, to protect plastics from cracking when the bolt is tightened.
Unit of Measure

Specifications

Band Width (Decimal)

 N/A 0.375 in9.53 mm

Finish

 N/A Oil Phosphate

Inside Diameter

 N/A 0.312 in7.92 mm

Material

 N/A Heat Treated Spring Steel

Material Thickness (Decimal)

 N/A 0.020 in0.510 mm

Features and Benefits

Features and Benefits

 N/A Knob-to-Shaft Provide a secure attachment and strengthen knob hub. Squeeze the hub around the shaft insuring firm, reliable retention.Compression Limiter Fit inside the bolt hole, and protect plastic host from cracking as the bolt is tightened.

Note

Note

 N/A Parts listed below vary in style and shape. Contact EFC International directly for prints, or more corrosion-resistant options.