M5 Metric Hex Bolts – ISO 4017 Grade 8.8

Full Thread | Zinc Plated | M3–M48 | NZ

These are your go-to metric bolts for everyday workshop, fabrication, and engineering work.

Manufactured to ISO 4017 and rated Grade 8.8, these bolts are designed for reliable strength across a wide range of applications — from general fastening through to more demanding jobs.

With a full thread design, they’re ideal where full engagement is needed, and the zinc-plated, blue passivated finish (A2K) provides corrosion resistance for workshop and outdoor use.

Simple, strong, and ready to go.

Why We Stock Them

• Grade 8.8 strength for general and structural use
• Full thread for maximum engagement
• Wide size range from M3 to M48
• Zinc plated for corrosion protection
• Consistent ISO standard quality
• Suitable for automotive, fabrication, and general engineering

Ideal For

• Automotive repairs and builds
• Fabrication and structural work
• Machinery and equipment
• General workshop use
• DIY and trade applications

Key Features

• Standard: ISO 4017
• Material: Steel
• Grade: 8.8
• Finish: Zinc plated, blue passivated (A2K)
• Thread Type: Metric
• Thread Design: Full thread
• Head Type: Hexagon
• Drive Type: Outer hex
• RoHS Compliant: Yes

Built for Everyday Fastening

These are the metric bolts NZ workshops rely on when they need strength, consistency, and availability across a full range of sizes.