WN 274 | Anti-Vibration Locking Bolt | Full Thread | NZ

Bolt it once. It stays tight.

The Hex Flange Bolt Serrated (WN 274) is a high-tensile 8.8 fastener designed for secure, vibration-resistant fastening without washers. Featuring an integrated flange with serrated teeth, it creates a mechanical locking effect that prevents loosening under load.

Manufactured from grade 8.8 steel and finished with zinc plating and blue passivation (A2K), this bolt delivers reliable strength and corrosion resistance for automotive, fabrication, and industrial use.

One bolt. Built-in locking. No extras needed.

Why We Use Them in the Workshop

• Integrated flange spreads the load and removes the need for washers
• Serrated locking teeth prevent loosening from vibration
• High tensile 8.8 strength
• Zinc-plated for corrosion resistance
• Faster installation with fewer components
• Reliable for automotive and structural applications

Key Features

• Standard: WN 274
• Material: Steel
• Property Class: 8.8
• Surface Finish: Zinc plated, blue passivated (A2K)
• Head Type: Hexagon head with flange
• Drive Type: Outer hex
• Thread Type: Metric
• Thread Design: Full thread
• Locking System: Serrated mechanical interlock
• RoHS Compliant: Yes

Ideal For

• Automotive assemblies and repairs
• Engine and chassis components
• Machinery and equipment fastening
• Fabrication and structural work
• Workshop and trade use

Built for Secure Fastening

These serrated flange bolts NZ workshops rely on deliver strong, vibration-resistant fastening with fewer parts and faster installation — built for real working conditions.

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