Fasteners & Precision Components

High-Performance Coatings for Critical Hardware
Fasteners, bolts, and precision machined parts need specialized treatments to ensure performance in automotive, aerospace, and construction. We provide coating systems designed for uniform coverage, corrosion protection, and fatigue resistance.
Our Solution for Fasteners & Precision Components
Chemical Surface Treatment Lines
Main Use Areas:
- Degreasing, pickling & phosphating of bolts, screws, shafts
- Activation for plating adhesion and torque enhancement via phosphating

Electroplating / Electropolishing / Passivation

1. Electroplating
Key Parts:
➤Screws, studs, washers – Zinc/Zinc-nickel coatings
➤ Micro parts –Thin, uniform plating with tight tolerances
➤Screws, studs, washers – Zinc/Zinc-nickel coatings
➤ Micro parts –Thin, uniform plating with tight tolerances

2. Electropolishing
Key Parts:
➤Precision shafts, surgical screws, springs – Enhanced fit and finish
➤Precision shafts, surgical screws, springs – Enhanced fit and finish

3. Passivation
Key Parts:
➤ Machined stainless parts – Long-term corrosion protection without adding coating
➤ Machined stainless parts – Long-term corrosion protection without adding coating

De-Embrittlement & Hydrogen Relief Lines
Used On:
- Post-hardened fasteners – Safety-critical components
Zinc Flake Coating & Galvanizing Systems

1. Zinc Flake Coating
Critical Automotive Parts:
➤ Bolts, screws, and fasteners – Especially wheel bolts, brake disc bolts
➤ Brake components – Anti-corrosion for caliper brackets, back plates
➤ Chassis and suspension parts – High corrosion environments
➤ Bolts, screws, and fasteners – Especially wheel bolts, brake disc bolts
➤ Brake components – Anti-corrosion for caliper brackets, back plates
➤ Chassis and suspension parts – High corrosion environments

2. Hot-Dip Galvanizing
Important Structural Areas:
➤ Underbody structural members – Cross members, torsion beams
➤ Crash structures – High durability zones
➤ Battery trays – EV and hybrid vehicles
➤ Underbody structural members – Cross members, torsion beams
➤ Crash structures – High durability zones
➤ Battery trays – EV and hybrid vehicles
Explore Our Proven Track Record
From decorative trims to functional engine components, our surface finishing solutions have powered performance and elevated design.