Japanese Designer Invents Slip Type Anti-loosening Bolt/Nut/Washer | Fastener World Inc.

Article by · 2017/10/13 ·

KINZOKU SANGYO SHIMBUNSHA (Japanese newspaper) reports that a designer named Kazutomi Oka from Kanagawa Prefecture of Japan developed the patent-pending “Slip Type Anti-loosening Bolt/Nut/Washer” utilizing spherical seating surface to prevent loosening. (…)

via Japanese Designer Invents Slip Type Anti-loosening Bolt/Nut/Washer | Fastener World Inc.