g80 swivel self-locking nuv nrog bearing

Lus piav qhia luv luv:

* Tus kheej-locking nuv yog haum rau txhua yam kev siv nyiaj siv ua haujlwm nqa.

* Lub tshuab xauv tshwj xeeb tiv thaiv kev sib tsoo.

* Hom saw tivthaiv no yog siv nrog qib 80 alloy saw rau kev nqa daim ntawv thov.

* nuv haum ncaj qha mus rau cov saw kom yooj yim siv.

* Lub ntsuas phoo kaw nrog ib txhais tes lossis txiav thaum muaj kev thauj khoom.

* Tus kheej-locking nuv yuav tsis qhib nyob rau hauv load, txawm tias lub load yog teem cia ib pliag.