Qashinku 'badanaa waxaa loola jeedaa wadaad gu'ga. Waa qayb ka hortag ah oo ka hortagga ka hortagga ah ee la-dagaallanka xirashada qalabka. By its own elastic deformation, a continuous pressure is applied to the threaded connection after tightening the bolt or nut, thereby increasing friction and preventing loosening. Waxaa jira noocyo kala duwan oo xaashiyo la daadsan yahay, oo ay ku jiraan heerka, iftiinka, culus, iwm. Noocyo kaladuwan ayaa leh kala duwanaansho suutcinta, cabirka, iwm.

Qalliinka Qandaraaska: 4.8, 8.8, 10.9, 12.9 Maaddaama: 35k, 45k, 42cmo, oo ah 42cmo, oo la madoobaaday, da'an, oo loo yaqaan 'electromet', gital, gitald, iwm! Pard Flat waa nooc ka mid ah gasket-ka oo qaab siman. Hawlaha ugu waaweyn waxaa ka mid ah: kordhinta aagga xiriirka, cadaadiska kala-sooca, iyo ilaalinta dusha sare ee xubnaha ku xiran xoqida; Yaree waxyeelada cadaadiska ee madaxa ama madaxa ku dhegan dusha sare ee xubnaha ku xiran; Mararka qaarkood waxay sidoo kale ka ciyaari kartaa kaaliyaha kaabayaasha ah ka hortagga furitaanka. Waxaa jira qalab kala duwan oo loogu talagalay suufka fidsan, oo ay ku jiraan bir (sida bir yar, bir bir ah, caag, caag, iwm.

Ganacsiga laba jibaaran waa nooc ka mid ah wadaad curyaan ah. Waxaa badanaa loo isticmaalaa in lagu kordhiyo aagga xiriirka ee u dhexeeya qeybta isku xirka iyo qeybta ku xiran, cadaadiska kala firidhsan, yaree xirashada, oo ilaali dusha sare ee qeybta isku xirka iyo qeybta ku xiran.