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.
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Unit of Measure
Items
Compression Rings

0.150 Inch (in) Inside Diameter Compression Ring
Compression Rings

0.187 Inch (in) Inside Diameter Compression Ring
Compression Rings

0.192 Inch (in) Inside Diameter Compression Ring
Compression Rings

0.192 Inch (in) Inside Diameter Compression Ring
Compression Rings

0.224 Inch (in) Inside Diameter Compression Ring
Band Width (Decimal) N/A 0.125 in3.18 mm N/A 0.375 in9.53 mm N/A 0.125 in3.18 mm N/A 0.125 in3.18 mm N/A 0.125 in3.18 mm
Finish N/A Oil Phosphate
Inside Diameter N/A 0.150 in3.81 mm N/A 0.187 in4.75 mm N/A 0.192 in4.88 mm N/A 0.192 in4.88 mm N/A 0.224 in5.69 mm
Material N/A Heat Treated Spring Steel
Material Thickness (Decimal) N/A 0.012 in0.3 mm N/A 0.020 in0.510 mm N/A 0.012 in0.3 mm N/A 0.017 in0.430 mm N/A 0.012 in0.3 mm
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 N/A Parts listed below vary in style and shape. Contact EFC International directly for prints, or more corrosion-resistant options.
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