Product name: Self tapping screw(phil wafer ) 

Packing: We pack pan self tapping screw accoring to our customers' request 

Standard: ANSI, ISO, DIN, BS, JIS, AS 

Material: Low carbon steel(, C1018, C1022), 

Surface: Zinc plated(yellow, black, green), black oxide, nickel plated, chrome plated, Cr+3, hot DIP galvanized, brass plated 

SEMS Screws for automotive and electronic indoustries