Special Cold Forged Parts

We will meet the demand for extremely small parts of precision machinery!

last updated Jul 02, 2024

Special head locking screw "Serrated screw"

No need for a seat cushion, prevents loosening with seat surface resistance!

last updated Aug 02, 2024

Plastic hollow rivets for resin boxes

Disposal processing is possible without removing the rivets!

last updated Aug 02, 2024

Special loose prevention screw for glasses hinges 'RedN(R)'

Stay in place with the outstanding "struggle effect"! The red resin part prevents loosening and flapping!

last updated Jul 30, 2024

Special drive screw "Paint Cross(R)" for preventing paint peeling.

I want to protect the paint! I turned that feeling into reality.

last updated Aug 02, 2024

[Fastener Products] Resin Eyelet

Environmentally friendly products that do not require separate disposal!

last updated Aug 02, 2024

Micro-groove fastener

Productization of fasteners with a 1mm groove! Achieving improved workability and reduced assembly costs!

last updated Aug 05, 2024

Fastening Products Digest Catalog

Innovative fastening solutions from the experts of screws and fastening!

last updated Sep 19, 2025

Loose prevention screw for thin plate stop "Asu(R)"

Improvement of fastening force due to reduction of incomplete threaded sections and increase in reaction force!

last updated Aug 29, 2024

High-frequency quenching screw 'Coreflex(R)-I'

Self-tapping with a high-tension bolt into a steel plate!

last updated Aug 29, 2024

Dissimilar Metal Joining Technology "AKROSE(R)" Q&A

What is the new concept of dissimilar metal joining "AKROSE(R)"? Introducing the Q&A collection!

last updated Sep 30, 2024

Clinching stud bolt with Flush head "JOISTUD(R)-FH"

[New Product] Space-saving design with a flush head!

last updated Nov 13, 2024

Nitto Seiko Company Profile

Introducing Nitto Seiko, from screws to screw tightening machines, measurement and inspection equipment!

last updated Apr 01, 2025

Asfa(R) WP Waterproof Screws for Automotive Electrical Equipment

Achieving both high axial force and waterproof performance! Contributing to the reliability of electrical components.

last updated Mar 10, 2026

Asphalt® WP for Outdoor Communication Equipment

Improving the reliability of outdoor communication equipment with high axial force and waterproof performance.

last updated Mar 10, 2026

Asphalt(R) WP for Solar Power Generation

Improving the weather resistance of solar power generation systems with high axial force and waterproof performance.

last updated Mar 10, 2026

Asfa(R) WP for Outdoor Security

Improve the reliability of outdoor equipment with high axial force and waterproof performance!

last updated Mar 10, 2026

Asfa(R) WP for Home Appliances - Balancing Waterproof Performance and Workability

No need for ZAGRI processing! O-ring embedded screws that achieve high axial force and waterproofing.

last updated Mar 10, 2026