#customfasteners

Introduction

Looking for high-quality Stainless Steel Fasteners In Tamil Nadu for industrial, commercial, or construction applications? Keshar Bhawani Metal & Tubes Pvt. Ltd offers durable and corrosion-resistant fastening solutions designed for long-term performance. Our manufacturing unit is in Mumbai, Maharashtra, India, supplying premium stainless steel fasteners across Tamil Nadu for reliable strength, safety, and efficiency in demanding environments.

Services

Wide Range of Fasteners

We provide premium stainless steel fasteners suitable for industrial, marine, construction, and engineering applications.

Custom Manufacturing

Customized fasteners are available according to client specifications, sizes, and industrial requirements.

Bulk Supply & Timely Delivery

Efficient logistics and inventory support ensure fast delivery across Tamil Nadu.

Quality Assurance

All products are manufactured using high-grade stainless steel with strict quality checks for durability and performance.

Types of Stainless Steel Fasteners:

Bolts & Screws

Hex bolts, machine screws, lag bolts, and self-tapping screws for secure fastening solutions.

Nuts & Washers

Hex nuts, lock nuts, flange nuts, flat washers, and spring washers for stable and vibration-resistant fittings.

Threaded Rods & Studs

High-strength threaded rods and studs designed for heavy industrial and structural applications.

Rivets & Pins

Blind rivets, solid rivets, cotter pins, and dowel pins for permanent and precision fastening.

Specialty Fasteners

Custom stainless steel components developed for unique engineering and industrial projects.

Why Choose Stainless Steel Fasteners?

Stainless steel fasteners are widely preferred because of their excellent strength and corrosion resistance.

- High corrosion and rust resistance - Strong and durable under heavy loads - Long service life - Suitable for harsh environments - Low maintenance requirements - Aesthetic and clean finish

Why Choose Us

Premium Quality Materials

We manufacture fasteners using high-grade stainless steel for maximum durability and reliability.

Industry Expertise

Our experienced team understands industrial fastening requirements across multiple sectors.

Competitive Pricing

We offer cost-effective stainless steel fasteners without compromising quality standards.

Reliable Customer Support

Dedicated assistance for product selection, customization, and delivery support.

Customer Benefit

Choosing Keshar Bhawani Metal & Tubes Pvt. Ltd ensures you receive dependable Stainless Steel Fasteners In Tamil Nadu with superior quality, timely supply, and long-lasting performance for every project.

Location

We supply Stainless Steel Fasteners In Tamil Nadu across Chennai, Coimbatore, Madurai, Tiruppur, Salem, Erode, Trichy, Vellore, Thanjavur, Tirunelveli, Hosur, Karur, Kanchipuram, Dindigul, Sivakasi, Nagercoil, Cuddalore, Namakkal, Thoothukudi, Ranipet, Tiruvannamalai, Pollachi, Pudukkottai, Villupuram, and Kumbakonam.

Our strong distribution network helps us deliver quality stainless steel fasteners to industries and businesses throughout Tamil Nadu with reliable service and prompt delivery support.

FAQ

Q1: What industries use stainless steel fasteners?

Stainless steel fasteners are widely used in construction, marine, automotive, oil & gas, manufacturing, and engineering industries because of their strength and corrosion resistance.

Q2: Do you provide customized stainless steel fasteners?

Yes, Keshar Bhawani Metal & Tubes Pvt. Ltd offers customized fasteners in different sizes, grades, and specifications as per industrial requirements.

Q3: Why are stainless steel fasteners preferred?

They provide excellent durability, rust resistance, low maintenance, and long service life, making them suitable for demanding environments.

Conclusion

Keshar Bhawani Metal & Tubes Pvt. Ltd is a trusted supplier of Stainless Steel Fasteners In Tamil Nadu, delivering durable and high-performance fastening solutions. Contact us today to get premium stainless steel fasteners for your industrial and commercial needs.

Contact Number: +91 98695 49685 +91 93200 49685 Email Id: [email protected]

For more information and inquiries, feel free to contact us.

In business, cutting costs is often seen as a smart move. But when it comes to critical components like fasteners, going cheap can turn into a costly mistake.

Many manufacturers underestimate the impact of poor fastener quality, focusing only on initial savings. However, the real cost shows up later — in failures, repairs, and lost opportunities.

The Illusion of Cost Savings

Cheap fasteners may reduce upfront expenses, but they often come with hidden costs:

Lower durability

Higher failure rates

Increased maintenance

Over time, these issues outweigh the initial savings.

Performance Issues You Can’t Ignore

Low-quality fasteners struggle to perform under stress. They may:

Break under load

Loosen over time

Corrode जल्दी

This directly affects product performance and reliability.

Increased Maintenance and Downtime

Frequent failures mean more repairs. This leads to:

Production delays

Higher labor costs

Operational inefficiencies

Downtime can be extremely expensive for businesses.

Damage to Brand Reputation

Customers expect reliable products. When products fail due to poor fasteners, it damages trust.

Negative reviews and returns can hurt your brand image and reduce customer loyalty.

Safety and Compliance Risks

Using substandard fasteners can lead to safety violations. In regulated industries, this can result in penalties and legal issues.

The Long-Term Financial Impact

When you consider:

Replacement costs

Warranty claims

Customer loss

It becomes clear that cheap fasteners are not cost-effective.

Investing in Quality Pays Off

High-quality fasteners offer:

Better performance

Longer lifespan

Reduced maintenance

They provide better return on investment in the long run.

Choosing the Right Partner

Working with a trusted manufacturer like Primus India ensures:

Reliable products

Industry-standard quality

Consistent supply

Conclusion

In manufacturing, every decision impacts performance and profitability. Choosing cheap fasteners may save money today, but it can cost you much more tomorrow.

🏭 Professional Chemical Anchor Manufacturer

We support customization, reliable quality, and fast after-sales service.

Contact us for your bulk orders & projects!

📧 [email protected]

read more

When engineers design mechanical systems, every component must perform reliably under specific operating conditions. While major structural parts often receive the most attention, smaller elements such as custom machine screws are equally important in maintaining the integrity of the final assembly.

Machine screws are precision fasteners designed to work with threaded holes or nuts, allowing them to create consistent and repeatable fastening connections. This makes them ideal for applications where components must be assembled with tight tolerances, such as electronics, industrial equipment, and precision instruments.

However, not all projects can rely on standard fasteners. Many industries require custom machine screws designed to meet unique engineering requirements. Customization may include changes in thread pitch, screw length, head style, or drive type to match specific design constraints. In some cases, engineers also require specialized thread geometries to improve vibration resistance or prevent loosening in high-stress environments.

Material choice is another key factor influencing fastener performance. Machine screws are often manufactured from stainless steel, carbon steel, brass, or specialized alloys, each offering unique mechanical properties. Stainless steel provides corrosion resistance, brass offers electrical conductivity for electronic assemblies, and high-strength steel provides the durability required in structural applications.

Surface treatments can further improve performance in demanding environments. Finishes such as zinc plating, nickel plating, and black oxide coatings help protect screws against corrosion and wear. Some manufacturers also apply advanced coatings that reduce friction during installation, improving assembly efficiency while preventing thread damage.

The manufacturing process behind machine screws also plays a critical role in their reliability. Modern fastener factories typically use cold forming technology and precision thread rolling, which strengthen the material and ensure accurate thread dimensions. After production, screws often undergo heat treatment and quality inspection to confirm hardness levels, dimensional accuracy, and structural integrity.

Today, machine screws are found in nearly every type of engineered product. They secure internal components in electronic devices, hold together automotive assemblies, and fasten structural elements in industrial machinery. Their reliability directly affects the performance and lifespan of the equipment they support.

Ever wondered what it takes to create a perfect, lasting connection? It's more than just a standard part from a catalog. It's about precision, purpose, and unparalleled customization.

At Dongguan Jiliang, we don't just sell rivets. We engineer them.

Every industry has its unique demands. An aircraft needs lightweight but incredibly strong fasteners. Medical equipment requires sterile, precise components. Consumer electronics need miniature, unobtrusive solutions. A one-size-fits-all approach just won't work.

That's where our expertise comes in. We thrive on the challenge of transforming a specific need into a tangible solution. From selecting the ideal material—be it stainless steel, aluminum, brass, or even titanium—to designing the perfect head style and body shape, our customization options are vast.

Our rivet series represents more than just a product line. It's a commitment to quality and a testament to the fact that the right fastener can elevate an entire product.

Introduction

Ananka Group is a leading global manufacturer, supplier, and exporter of industrial fasteners, known for delivering precision-engineered solutions to a wide range of sectors including oil & gas, petrochemical, aerospace, marine, construction, and heavy engineering.

With a state-of-the-art manufacturing facility based in Vasai, Maharashtra (India) and fully operational offices in the USA and UK, Ananka Group is strategically positioned to serve clients worldwide with superior quality, timely delivery, and technical support.

We specialize in standard and non-standard fasteners, made from high-performance materials such as stainless steel, duplex, and super duplex, Inconel, Monel, Hastelloy, Titanium, and other specialty alloys. Our commitment to ISO-certified quality management, innovation in design, and customization capabilities makes us a preferred partner for mission-critical applications.

Key Strengths:

In-house design, prototyping, and rapid manufacturing

Wide range of coating and plating solutions

Custom fastener solutions in both metric and imperial sizes

Global exports with full compliance to ASTM, DIN, ISO, and BS standards

A dedicated R&D division focused on aerospace and API-certified components

Hex flange bolts are among the most versatile and widely used fasteners in the industrial world, known for their built-in washer-like flange that distributes load efficiently and eliminates the need for a separate washer. As a trusted manufacturer and supplier of hex flange bolts, we deliver high-performance, corrosion-resistant, and precision-engineered fasteners tailored to suit diverse applications across global industries.

What Are Hex Flange Bolts?

Hex flange bolts are hexagonal head bolts with an integrated flange at the base of the head. This flange acts as a washer, spreading the clamping load over a larger surface area. It reduces the risk of damage to the fastening material and enhances bolt retention, especially in high-vibration environments.

These bolts are frequently used in the automotive, aerospace, oil & gas, heavy machinery, and construction sectors for their strength and reliability.

Design & Prototyping

Whether you need a bolt designed for extreme environments or specialized machinery, our engineering team can prototype the fastener to your exact specifications, including:

Flange diameter customization

Thread pitch variation (coarse/fine)

Head height and drive type

Unique surface treatments or alloy choices

Our focus is on innovative fastening solutions to meet modern engineering demands.

Rapid Manufacturing Capabilities

Thanks to our state-of-the-art CNC machines, forging units, and automated plating lines, we support rapid manufacturing of hex flange bolts, from small-batch custom orders to bulk production runs.

We maintain large inventories of standard sizes and provide just-in-time delivery across various industries and countries. Our agile manufacturing approach ensures minimal lead times and consistent quality.

Custom Coating & Plating Options

Corrosion resistance and environmental compatibility are crucial for bolt longevity. 

Zinc and yellow zinc plating

PTFE (Teflon) coating

Hot-dip galvanizing

Black oxide finish

Dacromet and Geomet coatings

Nickel, chrome, and copper plating

These coatings enhance performance in aggressive conditions like marine, chemical, offshore, and automotive applications.

Product Types Offered

High-Performance Hex Flange Bolts

Designed for critical applications like aerospace, nuclear, and motorsports, where reliability and durability are essential.

Custom Fastener Solutions

Our team creates bespoke fasteners that align with your blueprints or technical requirements, including unique dimensions, threading, and materials.

Precision-Engineered Fasteners

Manufactured to tight tolerances, ensuring optimal performance in applications that demand high accuracy.

Specialty Alloy Hex Flange Bolts

Manufactured from premium materials like Inconel, Monel, Hastelloy, Titanium, Duplex, Super Duplex, and others, engineered to perform reliably in the most demanding and corrosive environments.

Corrosion-Resistant Fasteners

Manufactured using stainless steel grades like SS 304, SS 316, and SS 316L or coated with advanced finishes to withstand harsh conditions.

Non-Standard Hex Flange Bolts

Custom dimensions, threading types, and geometries that don't conform to conventional fastener norms.

Metric & Imperial Sizes

Available in a wide range of thread sizes and lengths in both metric (M6 to M80) and imperial (¼” to 3”) standards.

Applications of Hex Flange Bolts

Automotive Industry: Engine components, transmissions, and chassis

Construction: Steel frameworks, bridges, and heavy structures

Oil & Gas: Offshore rigs, refineries, and chemical plants

Aerospace: Airframe structures and engine assemblies

Heavy Equipment: Cranes, bulldozers, and mining machinery

Railways: Track assemblies and locomotive parts

Why Choose Us?

As an ISO-certified manufacturer, supplier, and exporter of hex flange bolts, we ensure:

Superior material selection & quality control

Compliance with international standards: DIN, ASTM, ISO, BS, JIS

Bulk availability and global shipping

In-house R&D for developing advanced fastening systems

Offices & supply chains in India, USA, UK, Europe, and the Middle East

Conclusion

Whether you require standard, non-standard, or custom-engineered hex flange bolts, we have the manufacturing expertise, design capability, and international reach to deliver what you need fast and reliably. With a focus on quality, innovation, and performance, we are your ideal partner for all your fastener requirements.

FAQs

What materials are hex flange bolts made from?

They are typically manufactured from stainless steel, alloy steel, titanium, and specialty alloys like Inconel and Monel.

Are hex flange bolts reusable?

Yes, if not overtightened or damaged, they can be reused. However, it depends on the application and environmental conditions.

Do I need a washer with a hex flange bolt?

Introduction

In maritime engineering and marine fabrication, selecting the appropriate fastening components is paramount to ensuring structural integrity, corrosion resistance, and long-term performance. Among the vast array of fastening solutions available, 304 stainless steel machine screws stand out as a versatile and cost-effective choice. Their widespread use in marine environments stems from their reliable mechanical properties, resistance to environmental degradation, and adaptability across various marine assemblies.

This article explores the metallurgical characteristics, performance attributes, and application suitability of 304 stainless steel machine screws in marine-grade equipment.

What Are 304 Stainless Steel Machine Screws?

Machine screws are precision-threaded fasteners engineered to engage with pre-tapped holes or mating nuts. They are utilized in applications demanding controlled torque and uniform clamping pressure, particularly in metal-to-metal assemblies. When fabricated from 304 stainless steel, these screws exhibit an optimal combination of corrosion resistance and tensile strength, making them suitable for semi-corrosive marine environments, especially in topside or splash zone installations.

Material Profile: Composition & Properties of 304 Stainless Steel

304 stainless steel is a member of the austenitic AISI 300-series and is chiefly alloyed with the following elements:

Iron (Fe) – Base metal

Chromium (Cr) – approximately 18%, which promotes passivation and enhances corrosion resistance.

Nickel (Ni) – ~8% (for ductility and enhanced corrosion resistance)

Key Metallurgical and Mechanical Properties:

Corrosion Resistance: Exhibits excellent resistance to atmospheric and mildly saline conditions due to the formation of a stable chromium oxide (Cr₂O₃) passive layer.

Mechanical Strength: Ultimate tensile strength typically ranges between 515–750 MPa, providing robust fastening under mechanical loading.

Ductility and Toughness: High elongation at break (≥40%), enabling resistance to shock and vibration.

Non-Magnetic Behavior: Non-ferromagnetic in the annealed state; however, slight magnetism may develop post-cold-working.

Thermal Stability: Performs well up to moderately elevated temperatures (~870°C intermittent service), making it ideal for engine and electrical enclosures.

Why Choose 304 Stainless Steel Screws for Marine Applications?

Although 304 SS does not match the chloride pitting resistance of 316 SS (which includes 2–3% Molybdenum), it is widely specified in non-submerged or intermittently wet marine environments due to its:

Advantages:

Cost Efficiency: Lower alloying content makes it more economical than molybdenum-bearing grades like 316 or duplex stainless steels.

Extensive Availability: Compliant with global standards such as ASTM A193, DIN, and ISO, and offered in a wide range of head types, thread configurations, and dimensional specifications.

Adequate Marine Corrosion Resistance: Suitable for above-deck hardware, coastal installations, and indoor marine compartments.

Fabrication Versatility: Compatible with welding, machining, and forming processes without loss of corrosion resistance.

Marine Applications of 304 Stainless Steel Machine Screws

304 SS machine screws are integrated across numerous marine subsystems and hardware components:

1. Deck and Superstructure Hardware

Used to fasten cleats, railings, winch plates, and deck-mounted brackets.

2. Marine Engine and Machinery Assemblies

Ideal for fastening control housings, engine shrouds, pump casings, and protective equipment covers.

3. Electrical and Navigation Panels

Ensures conductive-free fastening in switchboards, marine lighting systems, and navigation control units.

4. Marina and Dock Fixtures

Suitable for weather-exposed components like dock brackets, signage plates, and structural guards.

5. Yacht and Boat Interiors

Commonly used in cabinetry, seat frame assemblies, and stainless fixtures for corrosion-free aesthetics.

Limitations in Saltwater Environments

While 304 SS offers reliable performance in aerial and splash zones, it lacks the pitting and crevice corrosion resistance required for continuous saltwater immersion or high-chloride concentrations.

For submerged applications or chemical exposure zones, opt for:

316 Stainless Steel (A4)

Duplex Stainless Steel (e.g., UNS S31803/S32205)

Super Duplex (UNS S32750/S32760)

Maintenance Recommendations for Marine Durability

Even corrosion-resistant materials benefit from basic care in marine environments:

Routine Cleaning: Rinse with fresh water post-exposure to salt spray to remove chloride residues.

Insulate from Carbon Steel: Prevents galvanic coupling that accelerates corrosion.

Apply Anti-Seize Lubricants: Especially in high-humidity zones to prevent thread galling and facilitate removal.

Periodic Inspection: Check for discoloration or early signs of corrosion and replace if necessary.

Conclusion

304 stainless steel machine screws provide an optimal balance of performance, availability, and cost for a broad spectrum of marine-grade assemblies, particularly those not subject to full immersion or harsh saline exposure. When used with appropriate design practices and maintenance schedules, they serve as reliable fasteners for both recreational and commercial maritime applications.

Whether you're engineering a yacht interior, outfitting a coastal dock, or installing deck-mounted hardware, 304 stainless steel screws remain a proven and trusted solution.

Frequently Asked Questions (FAQ)

1. Are 304 stainless steel screws appropriate for continuous submersion in marine environments?

Not recommended. While 304 SS is corrosion-resistant, continuous immersion in seawater may cause localized corrosion. 316 SS or duplex grades should be used instead.

2. Is 304 stainless steel magnetic?

In its annealed form, it is non-magnetic. However, cold working processes like forming or machining can impart slight magnetic properties.

3. How can corrosion be mitigated on 304 SS screws in marine use?

Rinse with fresh water after saltwater exposure

Avoid contact with dissimilar metals

Use protective coatings or anti-seize compounds

4. What head types and threads are available in 304 SS machine screws?

Available in multiple configurations such as:

Head Types: Pan, Flat, Round, Hex, Truss

Threads: UNC, UNF, Metric Coarse/Fine

Standards: ASTM, ISO, DIN

5. Where to source marine-grade 304 SS machine screws?

Fasteners are the mechanical backbone of countless structures and systems, ranging from industrial machines to home appliances. They serve as crucial elements engineered to firmly join two or more components in an assembly. At Ananka Fasteners, we specialize in manufacturing, supplying, and exporting a wide array of high-performance fasteners to meet diverse industrial requirements across the globe.

Below is a detailed list of fastener products we offer:

1. Coated Fasteners

Coated fasteners are surface-treated fasteners designed to resist corrosion, enhance durability, and improve performance under extreme conditions.

Types of Coatings:

Zinc Coating (Electroplated, Hot Dip Galvanized)

PTFE Coating (Xylan, Teflon)

Cadmium & Nickel Coating

Black Oxide Coating

Applications:

Marine structures

Offshore platforms

Petrochemical industries

Construction projects are exposed to weathering

2. SMO 254 Fasteners

SMO 254 is a high-alloy austenitic stainless steel known for excellent corrosion resistance and strength, especially in chloride-bearing environments.

Available Fastener Types:

SMO 254 Bolts

SMO 254 Nuts

SMO 254 Washers

SMO 254 Screws

Applications:

Desalination plants

Pulp and paper industries

Seawater cooling systems

Chemical processing industries

3. Bolt Fasteners

Bolts are externally threaded fasteners designed to be used with nuts or threaded holes to securely join multiple components.

Common Bolt Types:

Hex Bolts

Heavy Hex Bolts

U Bolts

Eye Bolts

Carriage Bolts

Flange Bolts

Applications:

Structural steel fabrication

Equipment and machinery

Automotive and heavy-duty applications

Aerospace and defense

4. Screw Fasteners

Screws are threaded fasteners that create their mating thread during installation, often used without a nut.

Popular Screw Types:

Wood Screws

Machine Screws

Self-Tapping Screws

Socket Head Cap Screws

Sheet Metal Screws

Applications:

Electronics and electrical panels

Wood and furniture work

HVAC and appliance assembly

Construction and industrial machinery

5. Washers Fasteners

Washers are disk-shaped components used under nuts or bolt heads to distribute loads and prevent loosening.

Types of Washers:

Plain Washers

Spring Washers

Lock Washers

Conical and Dome Washers

Applications:

Vibration-prone assemblies

Automotive and aerospace

Electrical and electronics

Construction and pipelines

6. Stud Bolts Fasteners

Stud bolts are fully threaded rods paired with nuts on both ends, specifically designed for use in high-pressure and high-temperature applications.

Types of Stud Bolts:

Full Threaded Studs

Tap-End Studs

Double-End Studs

Continuous Thread Studs

Applications:

Flanged pipe connections

Oil & gas industry

Chemical and petrochemical equipment

Pressure vessels and reactors

7. Custom Fasteners

Custom fasteners are specially manufactured to meet unique project requirements based on dimensions, material, and finish.

Options Available:

Unique threading and shapes

Non-standard lengths or heads

Special alloys (Titanium, Inconel, Monel, etc.)

OEM & drawing-based production

8. Nuts Fasteners

Nuts are internally threaded fasteners paired with bolts or screws to secure components.

Common Nut Types:

Hex Nuts

Lock Nuts

Wing Nuts

Cap Nuts

Flange Nuts

Square Nuts

Applications:

General engineering

Automobile assembly

Power generation equipment

Home improvement and furniture

Why Choose Ananka Group?

Wide Material Range – From carbon steel to exotic alloys like Inconel, Monel, Hastelloy, and SMO 254

Worldwide Presence – Catering to industries throughout the USA, Europe, the Middle East, and Asia

Custom Solutions – Precision manufacturing based on client drawings or specifications

Compliance – All fasteners are manufactured to ASTM, DIN, ISO, and other global standards

Conclusion

Whether you're building infrastructure, assembling machinery, or fabricating precision equipment, choosing the right fastener is critical. The extensive range of fasteners we offer at Ananka Fasteners ensures reliable performance, safety, and longevity in every application. From coated fasteners for enhanced corrosion resistance to custom-engineered solutions for niche applications, our products meet the highest quality standards.

Frequently Asked Questions (FAQ)

Q1. What material types do you provide for these fasteners?We offer fasteners in stainless steel, carbon steel, alloy steel, brass, copper, Inconel, Monel, Hastelloy, SMO 254, titanium, and more.

Q2. Do you provide testing certificates?Yes, we provide Mill Test Certificates (MTC), third-party inspection reports, and compliance certificates as required.

Q3. Can fasteners be customized? Absolutely. We specialize in custom fastener production based on your drawing, specifications, and application.

Q4. What industries do you serve?We serve industries such as oil & gas, petrochemical, marine, construction, automotive, aerospace, and power generation.