Corrosion Protection
for Critical Fasteners
Fasteners may be the smallest components in an assembly, but they carry the greatest
responsibility. A corroded bolt, seized nut, or failed screw can compromise the performance of
an entire system. That is why selecting the right corrosion protection coating
is not a finishing choice, it is a critical engineering decision.
ENGINEERED FOR MODERN FASTENER PERFORMANCE
- Conventional coating technologies often struggle to meet the durability, compliance, and
precision demanded by today’s automotive and industrial sectors. In high-strength fasteners,
the risk of hydrogen embrittlement can lead to hidden structural failures,
especially in
demanding applications.
- GEOMET® solves these challenges with advanced zinc flake coating technology
trusted by
global OEMs across automotive, wind energy, solar, railways, construction, and heavy
engineering industries.
GEOMET®: ADVANCED ZINC FLAKE COATING TECHNOLOGY
- Developed by NOF Metal Coatings, Japan, GEOMET® is a high-performance water-based
film
coating system designed for superior corrosion resistance and long-term
fastener durability.
- The coating combines zinc and aluminium flakes to create a highly effective barrier against
moisture, chemicals, and harsh environmental exposure while maintaining precise thread
tolerances.
Why GEOMET® Outperforms Conventional Coatings
- Thin and uniform film coating thickness (6–15 µm)
- Exceptional salt spray test performance up to 2000 hours
- Eliminates the risk of hydrogen embrittlement
- Advanced anti rust coating performance for aggressive environments
- GEOMET® significantly reduces the risk of galvanising corrosion by creating a uniform
zinc-aluminium barrier that protects fasteners even in highly aggressive
industrial and
coastal environments.
- Superior corrosion resistance with controlled friction properties
- Excellent thermal stability up to 300°C
- Water-based, chrome-free, PFAS-free coating technology
- Ideal for automotive, infrastructure, renewable energy, and industrial applications
Applications:
- Automotive Fasteners · Wind Turbine Bolts · Solar Structures · Railways · Construction
Hardware · Industrial Fasteners
WHAT THIS MEANS FOR FASTENER MANUFACTURERS
GEOMET® is more than a coating system, it is a business advantage.
Global OEMs increasingly specify advanced zinc flake coating systems because
they demand:
- Higher corrosion resistance
- Lightweight protective coatings
- Reliable torque and friction performance
- Environmental compliance
- Long-term durability without hydrogen embrittlement
As one of the trusted partners supporting Fastener coating manufacturers India,
Growel enables
manufacturers to adopt globally approved coating technology that helps secure high-value OEM
business opportunities.
Better protection. Better compliance. Better market access.
GROWEL’S ROLE: COMPLETE TECHNOLOGY & PROCESS SUPPORT
Growel is the exclusive India partner for NOF Metal Coatings’ GEOMET® system. We provide
complete support to help manufacturers successfully implement advanced coating technology.
Our Support Includes:
- Pilot plant and application training
- Complete technology transfer for zinc flake coating systems
- Equipment selection and process setup guidance
- On-site technical assistance during commissioning
- Long-term process optimisation support
- Guidance for achieving industry-approved salt spray test standards
THE GROWEL ADVANTAGE
- With over 70 years of expertise in industrial surface finishing and a long-standing
partnership with NOF Metal Coatings, Growel has helped build advanced coating capabilities
across India’s automotive and engineering supply chain.
- Whether you are looking for a high-performance anti rust coating, improved
corrosion
resistance, or globally accepted corrosion protection coating solutions for fasteners,
Growel helps you deliver reliable, OEM-approved coated fasteners with confidence.
