Heavy duty keylocking threaded insert KLTI-HD-M12-125-SS

KNHM12X1,25 Keenserts heavy duty metric type

M12x1,25 metric fine internal thread (non-locking) and M18x1,5 external thread – 303 stainless steel

The heavy duty M12x1,25 keylocking insert results in an increased thread strength in low strength materials such as alloys or other light materials. The external thread of this insert is M18x1,5. This insert can also be used in steel and cast iron.

Although these type of inserts are typically used in a production environment, they are also popular as a high quality thread repair solution to replace a damaged thread with the same size thread.

KLTI-HD-M12-125-SS keylocking insert, alternative for KNHM12X1,25 Keenserts



Reference partnumber: KNM12X1,25

To request or order this product, please fill in the desired quantity below and press the ‘add to list’ button.

Internal thread
  • M12x1,25
  • Tolerance: 5H

External thread
  • M18x1,5
  • Tolerance: 4h
  • # Keys: 4

Material & finish

Stainless Steel 303 CRES + passivation

Go to our downloads section to get our most recent catalogues.
In these catalogues you will find all the spec sheets with dimensions and drawings.

KLTI-HD-M12-125-SS drawing

drawing of keylocking insert with same dimensions as Keenserts KNHM12X1,25