50mm qoto-dheer oo goyn TCT ah oo godan oo qoto dheer oo leh weldon shank
Astaamaha
Qoto dheer ee 50 mm ee la jaray TCT (tungsten carbide drill) god godan oo leh shank dhinac-ku-xidhan ayaa leh astaamo dhowr ah oo ka dhigaya mid ku habboon codsiyada qodista.Astaamaha muhiimka ah qaarkood waxaa ka mid ah:
1. Tungsten carbide drill bit (TCT)
2. Naqshad madhan
3. 50mm qoto dheer goynta
4. Shank dhinac-go'an
5. Ku habboon laylinta magnetic
![noocyada gooya annular](http://www.cndrills.com/uploads/annular-cutter-types.jpg)
SHAQADA SHAQADA GEESKA
![jaantuska hawlgalka ee gooyaha annular](http://www.cndrills.com/uploads/operation-diagram-of-annular-cutter.jpg)
Halkan ku qor fariintaada oo noo soo dir