Miniature keylocking threaded insert KLTI-M-M3-050-SS

KNCM3X0,5 Keenserts miniature metric type

M3 x 0,5 metric coarse internal thread (locking) and M5 x 0,8 external thread – 303 stainless steel

The miniature M3x0.5 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 M5x0.8. 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-M-M3-050-SS keylocking insert, alternative for KNCM3X0,5 Keenserts



Reference partnumber: KNCM3X0,5

Internal thread
  • M3 x 0,5
  • Tolerance: 5H
  • Locking thread by elliptical deformation
  • Max. depth to end of thread lock: 3,1 mm

External thread
  • M5 x 0,8
  • Tolerance: 4h
  • # Keys: 2

Material & finish

Stainless Steel 303 CRES + passivation + dry film lubricant

Alternative partnumbers

Keenserts : KNCM3x0,5

Clinserts : CLLM3X0.5

Acme : 217-076384

Bordo : 3720-3.00MTW

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

KLTI-M-M3-050-SS drawing

drawing of keylocking insert with same dimensions as Keenserts KNCM3X0,5