Acme Keylocking Threaded Inserts are used to quickly repair stripped, damaged or worn out threads with new stronger threads or for use in original equipment. Acme Inserts are easy to install and easy to remove. No special tools are required. The Keys are driven down into the threads of the surrounding base material, locking the insert in place.

• Threaded Inserts Material:
  Carbon Steel Inserts _ C1215 or equivalent
  Stainless Steel Inserts - 303 or equivalent
  Keys - 302 or equivalent

• Threaded Inserts Finishes:
  Carbon Steel Inserts - Parkerized
  Stainless Steel Inserts – Passivated

• Threaded Inserts Tolerances:
  ±.010 inch or ±.25 mm unless specified otherwise.

• Threaded Inserts Dimensions:
  Inch Inserts are specified in inches and Metric Inserts are in millimeters. Metric/Inch Inserts have a metric internal diameter while all other dimensions are in inches.