1. Idizayini ejwayelekile yodonga oluphindiwe oludongeni

2. Umklamo webhonethi osusa ukushisa;

3. Ngedivayisi yokugcina izinto zokugcoba;

4, Ngokuklanywa kwe-circlip ukulungisa i-stem nut;

5.Ukuhlelwa komkhiqizo okunengqondo, ukusebenza kokubekwa okuthembekile nokubukeka okuhle;

6. Indawo yokufaka uphawu ishiselwe nge-Co-based hard alloy, enokuqina okuhle kokugqoka, ukumelana nokugqwala, ukusebenza kokulwa nokungqubuzana nempilo ende yokusebenza;

7. Isiqu sinokwelashwa kwe-nitriding ngokumelana okuhle nokugqwala nokusebenza kokulwa nokushayisana;

8. Ngesibonakaliso sesikhundla sokunyakaza kwesiqu;