Breakthrough for perfect screw Prevents Incomplete seating of screws at soft metal assembly tightening Self-tapping Screw for soft metal The specially designed thread; & Reduces friction. Reduced friction prevents from galling of threads with mating soft metal parts. & Anti-galling prevents incomplete screw seating.

TECHNICAL REPORT TECHNICAL REPORT 01 G Electric control unit (Brake) O Electric control unit (Power steering) Q Head lamp G Seat belt (Retractor) Thread forming torque (TS) Thread forming torque (TS) TECHNICAL REPORT Verification of galling ■ Vibration test Vibration acceleration / 4.5G Amplitude width / 2mm Frequency / 33.3Hz Time / 2 Hours This is an enlarged photograph of screws which are removed from aluminum mating parts after vibration test. White portion of photograph is sticked aluminum by galling. SSScrews with colored chromate plating are used to highlight galling of aluminum. NITTOSEIKO...