Hex Nut Bolt
Hex Nut Bolt Manufacturer

Maa Engineering is a leading manufacturer of Hex Nut Bolts, serving a wide range of industries across Kolkata, West Bengal, Odisha, Bihar, Jharkhand, and Assam. Our Hex Nut Bolts are crafted with precision, offering exceptional performance, durability, and reliability for various industrial and construction applications.
About Hex Nut Bolt
Hex Nut Bolts, commonly referred to as Hex Bolts, are fasteners with a six-sided (hexagonal) head, designed for use with matching nuts or threaded holes. They are one of the most versatile and widely used fasteners due to their high strength, reliability, and ability to handle both dynamic and static loads.
Hex Nut Bolt Specifications
Our Hex Nut Bolts are manufactured to meet stringent quality standards and specifications, ensuring superior performance:
- Material: High-grade carbon steel, stainless steel, or alloy steel.
- Grade: Available in grades such as 8.8, 10.9, and 12.9 for varying strength requirements.
- Size Range: M6 to M64 (custom sizes available).
- Thread Type: Metric Coarse, Metric Fine, UNC, UNF, and custom threads.
- Finish Options: Black Oxide, Zinc Plated, Hot-Dip Galvanized, or Plain.
- Standards: Compliant with ISO, DIN, ANSI/ASME, and BS standards.
Product Description
Our Hex Nut Bolts are designed for heavy-duty applications and are widely used in:
- Structural assemblies like bridges, towers, and high-rise buildings.
- Heavy machinery and industrial equipment.
- Automotive and railway applications.
- Renewable energy installations such as solar panels and wind turbines.
- Oil, gas, and marine industries requiring corrosion-resistant fasteners.
Customization Options
To meet the unique needs of our clients, Maa Engineering provides extensive customization options:
- Tailored Dimensions: Custom sizes and lengths for specific applications.
- Material Choices: Options including stainless steel, alloy steel, and high-tensile carbon steel.
- Threading Variations: Custom thread types and pitches.
- Protective Coatings: Specialized finishes like PTFE, cadmium plating, or phosphate for enhanced durability.
Quality and Durability
At Maa Engineering, quality is at the core of our manufacturing process. Our Hex Nut Bolts are tested for:
- Tensile Strength: To ensure they can handle high loads.
- Corrosion Resistance: For durability in challenging environments.
- Precision Engineering: Ensuring a perfect fit and reliable performance.
Expertise and Experience
With years of experience in the fastener manufacturing industry, Maa Engineering has built a reputation for excellence. Our team of skilled professionals and state-of-the-art facilities ensure that every bolt meets the highest standards of quality and precision.
Compliance with Industry Standards
We adhere to internationally recognized standards, including:
- ISO 898-1: For mechanical properties of steel fasteners.
- DIN 933 and DIN 931: Specifications for fully and partially threaded bolts.
- ASTM A325 and A490: Standards for structural bolts.
Versatile Design
The six-sided design of our Hex Nut Bolts ensures a strong grip for installation and tightening. This versatility makes them suitable for a wide range of applications, from light to heavy-duty tasks.
Easy to Install
Our Hex Nut Bolts are designed for hassle-free installation, ensuring a secure and reliable connection. Precision engineering guarantees compatibility with matching nuts or threaded holes.
Sustainable Choice
Maa Engineering is committed to sustainable manufacturing practices. Our Hex Nut Bolts are built for long-term use, reducing the need for frequent replacements and minimizing environmental impact.
Why Choose Maa Engineering?
- High-Quality Materials: Ensuring long-lasting performance.
- Customization: Tailored solutions for specific project requirements.
- Expertise: Years of experience in delivering top-quality fasteners.
- Prompt Delivery: Reliable supply chain across Kolkata, West Bengal, Odisha, Bihar, Jharkhand, and Assam.
- Competitive Pricing: Affordable rates without compromising on quality.