Hex & Weld Nuts
Hex & Weld Nuts Manufacturer in India
OMTEC is a trusted manufacturer and supplier of Hex Nuts and Weld Nuts, delivering precision-engineered fastening solutions for a wide range of industrial applications. Our products are manufactured using high-quality raw materials, advanced machining processes, and strict quality control systems to ensure high strength, dimensional accuracy, and long-term performance.
Designed to meet national and international standards, OMTEC’s Hex & Weld Nuts are suitable for use in automotive, construction, infrastructure, engineering, and heavy machinery sectors.
MATERIAL
High-Quality Materials for Superior Performance
Engineered with premium-grade steels to deliver strength, durability, and reliability across industrial applications.

Carbon Steel & Stainless Steel grades as per ASTM A193

Alloy Steel grades conforming to ASTM A453 Gr. 660, ASTM A479,

High-strength grades as per ISO 898 Part 1 / IS 1367 Class 8.8, 10.9, 12.9

Alloy Steel fasteners manufactured as per ASME / ASTM A193

Stainless Steel fasteners as per ASME / ASTM A193 Gr. B8, B8M

Special alloy and high-performance grades including ASME
Standards offered
- Manufactured in compliance with IS, DIN, ISO, ASTM, and ASME standards
- Conforms to ISO 898 Part 1 / IS 1367 for mechanical and strength requirements
- Fasteners produced as per ASTM A193 / ASTM A194 specifications
- Dimensional and thread accuracy as per DIN & ISO standards
- Quality and testing procedures aligned with international engineering norms
Surface Treatments & Coatings
- Zinc Plated – Enhanced corrosion resistance for general industrial applications
- Black Oxide Finish – Improved wear resistance with uniform appearance
- Hot Dip Galvanized (HDG) – Heavy-duty corrosion protection for outdoor use
- Phosphate Coating – Improved lubrication and paint adhesion
- Customized Surface Treatments available as per application and customer requirement