NEWSCREW is a factory producing Hex Washer Head Self Drilling Screws .Hex Washer Head Self Drilling Screws, also known as round head Washer Drilling Screws, Washer head drill tail screw.China Hex Washer Head Self Drilling Screws with strong product technology research and development strength.Professional research and development and manufacture of national standard (GB), American standard (ANSI), German standard (DIN), Japanese standard (JIS), international standard (ISO) and other high-quality drill screws and non-standard special fasteners.
Read MoreSend Inquiry