HOME / FASTENER SOLUTIONS / INDUSTRIAL NUTS / FINISHED HEX NUTS / FRACTIONAL GR 8.8 CR3 NUT

Finished Hex Nuts Metric Sizes Grade 8.8 Cr3 Plating

Narrow Your Results By:

Grade 8.8 Metric Finished Hex Head Nut with Cr3 Plating

Strength and Superior Corrosion Protection

The Grade 8.8 Metric Finished Hex Head Nut with Cr3 Plating is engineered for demanding applications that require both high mechanical strength and dependable corrosion resistance. Designed to meet international fastening standards, this metric hex nut is widely used in automotive, industrial, construction, and structural assemblies where reliability and longevity are essential. The addition of Cr3 (trivalent chromium) plating enhances durability while supporting modern environmental compliance requirements.

Material and Performance Specifications

High-Strength Metric Fastening

Grade 8.8 fasteners are a standard choice for medium-to-heavy duty applications where consistent load handling is critical.

Material: High-quality carbon steel
Grade: 8.8 metric classification
Tensile Strength: Approximately 800 MPa
Thread Sizes: Commonly available from M5 through M30
Standards: Manufactured to ISO 4032 and DIN 934 specifications

The finished hex head design ensures precise threads, proper torque retention, and reliable engagement when paired with compatible Grade 8.8 metric bolts.

Benefits of Cr3 (Trivalent Chromium) Plating

Durable, Environmentally Responsible Protection

Cr3 plating provides effective corrosion resistance while meeting modern environmental standards.

Corrosion Resistance: Protects against rust in humid, mildly corrosive, and outdoor environments
Eco-Friendly Finish: Complies with RoHS and REACH requirements, offering a safer alternative to Cr6 plating
Improved Wear Resistance: Enhances surface hardness to reduce galling and surface degradation
Clean Appearance: Bright, uniform finish improves aesthetics and professional presentation

This plating makes the nut suitable for both indoor and outdoor use without compromising strength.

Applications and Advantages

Versatile Use Across Industries

Grade 8.8 Metric Finished Hex Head Nuts with Cr3 plating are commonly used in:

Automotive and transportation assemblies
Industrial machinery and equipment
Structural steel and construction projects
Manufacturing and maintenance operations

A Reliable, High-Performance Fastening Solution

The Grade 8.8 Metric Finished Hex Head Nut with Cr3 Plating delivers the ideal balance of strength, corrosion protection, and environmental responsibility. Built to international standards and designed for long-term performance, it is a trusted choice for professionals who demand secure fastening in challenging conditions without sacrificing compliance or durability.