... .material:HSS+CRV 3.Port:Shanghai or Ningbo 13pcs combination tap and drill set1.material :HSS+CRV2surface : Ti plated(drill ... &tap) ; sand blast( bit)3.port: shanghai or Ningbo4.payment term : ... T/T.5.size: 13 pcs combination drill & tap and bit setdrill & tap:M3,4,5,6,8,10bits:PH1,2;PZ1 ...