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Heli-Coil® inserts are packaged according to thread size for easy handling and display. 

Fast Facts:

  • The length of the inserts in inch and metric packages is 1–1/2 times the diameter of the bolt. This provides sufficient strength in most applications.
  • Spark plug hole inserts are packaged in lengths corresponding to the various spark plug reaches.

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The availability of the products described on this site, and the product descriptions, may vary from country to country. Consult your STANLEY® Engineered Fastening Account Executive or your local distributor for specific product information.