Heavy duty keylocking threaded insert KLTI-HD-M20-150-SS

KNHM20X1,5 Keenserts heavy duty metric type

M20x1,5 metric fine internal thread (non-locking) and M30x2,0 external thread – 303 stainless steel

The heavy duty M20x1,5 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 M30x2,0. 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-M20-150-SS keylocking insert, alternative for KNHM20X1,5 Keenserts



Reference partnumber: KNHM20X1,5

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Internal thread
  • M20 x 1,5
  • Tolerance: 5H

External thread
  • M30 x 2,0
  • Tolerance: 4h
  • # Keys: 4

Material & finish

Stainless Steel 303 CRES + passivation

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In these catalogues you will find all the spec sheets with dimensions and drawings.

KLTI-HD-M20-150-SS drawing

drawing of keylocking insert with same dimensions as Keenserts KNHM20X1,5