We provide high-quality custom stud bolt manufactured to international standards to support your industrial needs. With flexible options in materials, sizes, and finishing, our custom stud bolt services ensure strong, safe, and durable connections tailored precisely to your project requirements.
Our Products
Materials We Produce
our international standards
Standards and Compliance
treatment & finishes
Surface Treatments and Finishes
Plain Finish
Black Finish
Zinc Plating Electro-galvanized for moderate corrosion resistance
Hot-Dip Galvanizing Superior corrosion protection for outdoor use
Mechanical Galvanizing Ultimate Corrosion Resistance for Outdoor Durability
tailored solutions
Why Karunia Utama
Custom Dimensions
Lengths, diameters, and thread pitches as per specifications
Special Materials
Alternative steel grades and alloys
Thread Types
Metric (M), UNC, UNF, and others
Testing Procedures
Tensile and hardness testing, Chemical composition analysis, Non-destructive testing (NDT)
Certifications Provided
Material Test Reports (MTR). Certificates of Compliance, Third-party inspection reports upon request