fasteners-bolts

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STAINLESS STEEL 304 BOLTS

Stainless Steel 304 bolts are one of the most widely used fasteners across various industries due to their excellent corrosion resistance, strength, and aesthetic finish. Made from austenitic stainless steel, 304 bolts are ideal for general-purpose use in both indoor and outdoor environments.

At DC Engineering, we manufacture and supply premium-quality SS 304 bolts in various types such as hex bolts, carriage bolts, U-bolts, eye bolts, stud bolts, and anchor bolts. All our products are made using top-grade materials and conform to global standards like ASTM A193, DIN, ISO, and BS specifications.

✅ Key Features of SS 304 Bolts:

Corrosion Resistant: Ideal for use in moist, acidic, and oxidizing environments.

High Strength & Durability: Excellent mechanical properties for structural and industrial use.

Non-Magnetic in Annealed Condition: Useful in applications requiring low magnetic permeability.

Temperature Resistant: Performs well in both high and low temperature conditions.

SS 304 bolts are commonly used in construction, machinery, chemical processing, automotive, food & beverage, and marine industries. Their long service life and low maintenance make them a cost-effective choice for engineers and builders.

DC Engineering offers these bolts in both metric and imperial sizes with custom thread options, finishes (plain, polished, passivated), and packaging. We also provide bulk supply and export services worldwide, ensuring prompt delivery and reliable customer support.

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Super Duplex Steel 32750 Fasteners

Super Duplex Steel 32750 fasteners are engineered for extreme environments where high strength and exceptional corrosion resistance are critical. Known for their superior performance in aggressive media, these fasteners are widely used in offshore platforms, desalination plants, chemical processing, and marine engineering.

At DC Engineering, we manufacture and export a complete range of Super Duplex UNS S32750 fasteners, including bolts, nuts, washers, screws, threaded rods, stud bolts, and custom fasteners. These components conform to ASTM A479, A182, and A276 standards, ensuring reliability even in the harshest conditions.

🔧 Why Choose Super Duplex 32750 Fasteners?

High Strength: Nearly twice as strong as regular austenitic stainless steels (e.g., 304, 316).

Outstanding Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, especially in seawater and chloride-rich environments.

Excellent Weldability & Toughness: Retains structural integrity even at sub-zero and elevated temperatures.

Our S32750 fasteners are manufactured using the latest CNC and forging technologies with strict quality control at every stage—from material selection to final inspection. We provide both standard and customized sizes, surface finishes, and coatings (PTFE, hot dip galvanized, etc.) to meet specific industry needs.

As a leading Super Duplex fastener manufacturer in India, DC Engineering serves clients across the oil & gas, petrochemical, pulp & paper, and marine industries, both domestically and internationally.

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STAINLESS STEEL 347/347H FASTENERS

Stainless Steel 347 and 347H fasteners are a preferred choice for industries that operate under high temperatures and corrosive environments. These fasteners are stabilized with niobium (columbium), which enhances their resistance to intergranular corrosion, especially after welding.

At DC Engineering, we manufacture and supply a complete range of SS 347/347H fasteners, including hex bolts, nuts, screws, washers, threaded rods, and custom machined parts. Our fasteners meet international quality standards such as ASTM A193, A194, and DIN specifications, ensuring superior performance and long service life.

✅ Key Features:

SS 347 Fasteners: Designed for superior resistance to carbide precipitation and intergranular corrosion, especially in welded conditions. Ideal for chemical processing, power generation, and aerospace applications.

SS 347H Fasteners: A high-carbon version of 347, offering improved creep strength and stress rupture resistance at elevated temperatures above 1000°F (537°C). Perfect for high-temperature boilers, furnace parts, and heat exchangers.

All our fasteners are manufactured using top-grade raw materials and precision equipment. We offer various surface finishes, including passivated, electro-polished, and coated options to suit diverse industrial requirements.

DC Engineering is a trusted supplier and exporter of stainless steel fasteners in India and abroad, serving clients in oil & gas, petrochemicals, marine, and construction industries. Our commitment to quality, customization, and timely delivery has made us a preferred partner in global markets.

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STAINLESS STEEL 304/304L/304H FASTENERS

Stainless Steel 304, 304L, and 304H fasteners are among the most widely used in industries that demand excellent corrosion resistance, durability, and mechanical strength. These fasteners are ideal for applications in construction, petrochemicals, food processing, marine environments, and more.

At DC Engineering, we manufacture a comprehensive range of Stainless Steel 304/304L/304H fasteners, including bolts, nuts, screws, washers, studs, and custom components. Each grade offers unique properties:

SS 304 Fasteners: The most common austenitic stainless steel with excellent corrosion resistance and weldability. Ideal for general-purpose fastening in indoor and mildly corrosive environments.

SS 304L Fasteners: A low-carbon variant of 304, perfect for welding applications where stress relief is not possible. It reduces the risk of carbide precipitation during welding.

SS 304H Fasteners: Contains higher carbon content, making it suitable for high-temperature applications. It offers better strength at elevated temperatures compared to 304 and 304L.

Our fasteners are produced using precision machining, CNC technology, and undergo stringent quality testing to meet global standards such as ASTM A193, A194, and DIN specifications. We ensure tight dimensional tolerance, uniform threading, and excellent surface finish.

DC Engineering supplies these fasteners in both metric and imperial sizes, with customizable coatings and finishes depending on the application. We serve a global clientele across oil & gas, refineries, power plants, and offshore platforms.

https://www.fasteners-bolts.com/stainless-steel-304-304l-304h-fasteners.html

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Fasteners Manufacturer-DC Engineering

fasteners manufacturer is crucial for the strength and reliability of any project. DC Engineering stands as a trusted name in the industry, offering a wide range of high-quality fasteners tailored for diverse applications across construction, automotive, aerospace, and heavy machinery sectors.

At DC Engineering, we specialize in manufacturing precision-engineered fasteners including bolts, nuts, screws, studs, washers, and custom fasteners. With decades of experience and a commitment to excellence, our products are designed to meet global quality standards such as ISO, ASTM, DIN, and BS. Whether you require standard components or complex, custom solutions, our engineering team ensures optimal performance, durability, and safety.

What sets DC Engineering apart is our focus on advanced manufacturing technology, strict quality control, and timely delivery. We use premium raw materials, rigorous testing, and modern CNC machines to ensure every fastener we produce meets exact specifications. Our in-house R&D and design capabilities allow us to serve industries that demand precision and consistency.

As a leading fasteners supplier and exporter, we proudly serve clients across India, the Middle East, Europe, and North America. DC Engineering is committed to building strong, lasting partnerships through customer satisfaction, technical support, and competitive pricing.

If you’re looking for a reliable fastener manufacturer in India, look no further than DC Engineering. Contact us today for bulk orders, custom inquiries, or more information about our complete product catalog.

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Stainless Steel Coil

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Alloy Steel 20 Fasteners

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Monel K-500 Fasteners

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Duplex Steel UNS S31803 Bolts

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DUPLEX STEEL BOLTS

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STAINLESS STEEL ANCHOR

A stainless steel anchor is a robust and corrosion-resistant fastener designed to secure structural and mechanical components to concrete, masonry, or stone surfaces. These anchors are widely used in marine, construction, and industrial environments where moisture, chemicals, or saltwater would quickly degrade regular steel fasteners.

Whether it’s a marine-grade mooring system, a wall-mounted bracket, or a high-load support frame, stainless steel anchors provide unmatched strength, longevity, and reliability.

Key Benefits of Stainless Steel Anchors

Exceptional corrosion resistance – ideal for wet or coastal conditions

High strength and load-bearing capability

Long service life – minimal rust or degradation over time

Available in mechanical, chemical, and expansion-based designs

Aesthetic finish – perfect for exposed installations

Types of Stainless Steel Anchors

Wedge Anchors – High load capacity for concrete; expands as bolt is tightened

Sleeve Anchors – Versatile for concrete and brick

Drop-In Anchors – Flush mount anchor for overhead and dynamic loads

Concrete Screw Anchors – Self-tapping and removable

Chemical Anchors – Resin-based for high-performance anchoring

Marine Anchors (Boat Anchors) – Used in mooring and anchoring boats.

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STAINLESS STEEL NUTS

Stainless steel nuts are internally threaded fasteners made from austenitic stainless steel grades such as 304, 316, 310, 321, 317, and 410. These grades vary in strength, corrosion resistance, and temperature tolerance to suit different applications.

Key Features of Stainless Steel Nuts

Excellent corrosion resistance in moisture-rich and chemical environments

High tensile and yield strength

Temperature resistance – ideal for hot or cryogenic environments

Non-magnetic or low magnetic permeability (depending on grade)

Suitable for indoor, outdoor, and submerged applications

Common Types of Stainless Steel Nuts

Hex Nuts – Standard six-sided nut for general applications

Heavy Hex Nuts – Thicker and wider for high-strength applications

Lock Nuts (Nyloc, Flexloc) – Resist loosening from vibration

Flange Nuts – With an integrated washer base for wider load distribution

Cap Nuts – Decorative, dome-shaped top to protect threads

Coupling Nuts – Used to join two threaded rods

https://www.fasteners-bolts.com/stainless-steel-nuts-manufactures-suppliers.html

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STAINLESS STEEL 310/310S STUD BOLTS

Stainless Steel 310/310S Stud Bolts are high-alloy, heat-resistant fasteners widely used in extreme temperature environments. With superior strength, excellent oxidation resistance, and durability at temperatures up to 1150°C (2100°F), these bolts are ideal for furnace parts, heat exchangers, kilns, and power plant equipment.

What Are SS 310 and 310S Stud Bolts?

SS 310 is a high-chromium, high-nickel austenitic stainless steel designed for excellent oxidation resistance and high-temperature strength.

SS 310S is the low-carbon version of 310, offering better weldability and reduced risk of sensitization (intergranular corrosion).

Both grades are perfect for applications requiring strength, corrosion resistance, and structural integrity at elevated temperatures.

🛠️ Key Features of Stainless Steel 310/310S Stud Bolts

Withstands temperatures up to 2100°F (1150°C)

Excellent resistance to oxidation, sulfidation, and carburization

Suitable for thermal cycling and extreme heat exposure

Non-magnetic in the annealed condition

Available in various thread types (UNC, UNF, Metric)

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STAINLESS STEEL 321/321H BOLTS

Stainless Steel 321/321H Bolts are specialized austenitic stainless steel fasteners known for their excellent high-temperature strength, oxidation resistance, and superior weldability. Engineered to perform in environments up to 900°C (1650°F), these bolts are ideal for thermal processing equipment, heat exchangers, exhaust systems, and other critical industrial uses.

✅ What Are SS 321 and 321H Bolts?

SS 321 is stabilized with titanium (Ti) to prevent intergranular corrosion during welding.

SS 321H is the high-carbon variant of 321, offering improved creep resistance and strength at elevated temperatures.

These bolts are designed to handle thermal cycling, oxidizing atmospheres, and high-stress environments where standard stainless steel bolts like 304 or 316 would fail.

🛠️ Key Features of Stainless Steel 321/321H Bolts

Withstands temperatures up to 900°C (1650°F)

Excellent creep strength and thermal stability

Outstanding resistance to oxidation and carburization

Prevents weld decay due to titanium stabilization

Available in forms like hex bolts, stud bolts, socket cap screws, and more

https://www.fasteners-bolts.com/stainless-steel-321-321h-bolt.html

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STAINLESS STEEL 317/317L BOLTS

Stainless Steel 317/317L Bolts are premium-grade fasteners engineered for extreme industrial applications where superior corrosion resistance and strength are critical. With higher molybdenum content than standard stainless steels like 304 or 316, 317 and 317L bolts deliver unmatched performance in aggressive chemical and marine environments.

What Are SS 317 and 317L Bolts? SS 317 is an austenitic stainless steel alloy with high nickel and molybdenum content, offering exceptional resistance to pitting, crevice corrosion, and acid attack. SS 317L is the low-carbon version of 317, designed for better weldability and resistance to intergranular corrosion after welding or high-temperature exposure. 🛠️ Key Features of Stainless Steel 317/317L Bolts: Excellent resistance to chemicals, including sulfuric, acetic, and citric acids. Superior performance in high-chloride or salty environments. Enhanced durability under high temperatures and pressure. Available in various bolt types: hex bolts, stud bolts, carriage bolts, socket head bolts, and more.

https://www.fasteners-bolts.com/stainless-steel-317-317l-bolt.html

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Stainless Steel 304 Bolts, SS 304 Bolts Manufacture using high quality material. We export best quality SS 304 Bolts at best Price. We have various range of Bolts. Call Us and Order Now.

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Stainless Steel 347/347H Fasteners, UNS S34700 Fasteners Export by DC Engineering in all over world. DC Engineering Provide high Class of Stainless Steel 347/347H Fasteners at Good Price. We Manufacture by using high quality of Material. Click here and Call Now.