self-tapping screw

a screw that can tap its own hole as it is driven into the material

en-GB/ˈsɛlf - ˈtæpɪŋ ˈskɹuː/
en-US/ˈsɛlf - ˈtæpɪŋ ˈskɹu/

ক্যাটাগরি:

screw