Uncompromising on axial force, not giving up on waterproofing. A new concept waterproof screw is born! Introducing "Aspha(R) WP".
Nitto Seiko Co., Ltd. has released a new concept O-ring embedded screw, "Asfa(R) WP," which features high axial force performance and waterproofing capabilities, while also considering product misalignment and stable transport during assembly with its unique structure. This product, which has a different shape from conventional waterproof screws and offers various advantages in addition to waterproofing performance, is currently pending patent application.

Inquiry about this news
Contact Us OnlineMore Details & Registration
Details & Registration





