Việt
ren vít tự cắt
Anh
tapping screw thread
screw thread
thread of screw
worm thread
Đức
Blechschraubengewinde
Blechschraubengewinde /nt/CT_MÁY/
[EN] tapping screw thread
[VI] ren vít tự cắt
tapping screw thread, screw thread
tapping screw thread, thread of screw, worm thread
tapping screw thread /cơ khí & công trình/