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Uncompromising on axial force, not giving up on waterproofing. A new concept waterproof screw is born! Introducing "Aspha(R) WP".

NITTOSEIKO CO., LTD.

NITTOSEIKO CO., LTD.

Nitto Seiko Co., Ltd. has released a new concept O-ring embedded screw, "Asfa(R) WP," which features high axial force performance and waterproof 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, offers various advantages in addition to its waterproof performance and is currently pending patent application.

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