Sumit Impex is one of the leading Inconel and Incoloy fasteners manufacturers in India, which offers high-quality fasteners for diversified industries. Our fasteners are engineered to provide superior strength, corrosion resistance, and durability, especially in the conditions that comprise high temperature, pressure, and chemical exposure. We supply a wide range of Inconel fasteners including Inconel 600 fasteners, Inconel 625 fasteners, Incoloy 800H fasteners, and Inconel 718 fasteners, each crafted to meet global industry standards and performance requirements.

Our extensive product line consists of bolts, nuts, washers, stud bolts, threaded rods, and screws in standard shapes and sizes. We also provide specialized fasteners to suit particular project requirements, with every product perfectly integrated into your application. The fasteners are engineered to meet both ASME and ASTM standards providing you with assurance that our products will deliver the highest level of performance even under the most extreme conditions.

As a reputable Inconel fastener supplier, Sumit Impex provides products that can handle the toughest conditions in industries ranging from aerospace to oil & gas. Our fasteners are reliable enough for high-temperature applications, oxidation resistant and carburization resistant, and they withstand extreme pressure conditions. The applications of our Inconel 600 bolts and Incoloy 800H fasteners are numerous, from reactors and turbines to chemical process systems and exhaust systems.

Inconel and Incoloy Fastener Grades We Supply

Overview of Available Grades

Nickel alloy fasteners solve a problem carbon steel and standard stainless bolts cannot handle: sustained exposure to high temperature combined with corrosive process media. Inconel and Incoloy fasteners hold their clamping load and resist oxidation in exactly these conditions, which makes them standard specification items across power generation, chemical processing, and offshore equipment. Selecting the right grade comes down to three variables working together: how corrosive the service fluid is, how hot the operating environment runs, and how much mechanical strength the joint needs to carry under vibration or thermal cycling.

Common Grades We Supply

GradeUNS NumberPrimary Characteristics
Inconel 600N06600Oxidation and corrosion resistance
Inconel 601N06601High-temperature oxidation resistance
Inconel 625N06625Excellent marine and chemical resistance
Inconel 718N07718High strength and creep resistance
Incoloy 800N08800Heat and oxidation resistance
Incoloy 800HN08810Enhanced elevated-temperature strength
Incoloy 800HTN08811Superior creep resistance
Incoloy 825N08825Excellent acid and chloride resistance

Sumit Impex is a Supplier of Inconel / Incoloy Fasteners, Biggest Stockist of 6Inconel / Incoloy Fasteners as per Standards in Mumbai, India.

Inconel Bolts, Nuts, Screws and Fasteners Manufacturer & Supplier in India

At Sumit Impex, we make sure that all Inconel and Incoloy fasteners are tested thoroughly to meet international standards. Our testing facilities are equipped with advanced technology to check critical properties such as tensile strength, dimensional accuracy, and corrosion resistance. This level of testing guarantees that our fasteners are not only reliable but also exceed industry expectations.

We take great pride in keeping a wide range of fasteners in stock, which makes us the go-to option for businesses that need speedy delivery without sacrificing quality. Whether you’re looking for Alloy 625 Fasteners or Inconel 718 bolts, we provide quick and reliable service to help you avoid project delays and stay on schedule.

Sumit Impex also offers competitive pricing for all its Inconel and Incoloy fasteners, enabling businesses to secure the best products at an affordable cost. By streamlining our manufacturing and logistics processes, we keep our costs low and pass those savings on to our customers. Whether you are sourcing ASTM F593 fasteners or Incoloy 800H studs, you can count on us for cost-effective solutions without sacrificing product performance

For industries needing 316 stainless steel fasteners, 304 stainless steel fasteners, or high-performance Inconel fasteners, Sumit Impex is your go-to supplier for high-quality fasteners at competitive prices. With our commitment to product excellence and customer satisfaction, we are ready to meet all your fastener needs.

Inconel / Incoloy Fasteners

Standard Specification For Inconel / Incoloy Fasteners

SpecificationsASTM B166, ASME SB166
Fasteners sizeBolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size : M1.6 – M12
Self Tapping Screw Size : No.2 – No. 14
Fasteners Length3 mm to 200 mm
Fastener ThreadsUNF, BSW, BSF, METRIC, UNC or as required
Standard of Stainless Steel FastenersDIN : DIN 934, DIN 931, DIN 970, DIN 933
UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
ISO : JIS standards, ISO 4033, ISO 4032,
ANSI – American National Standards Institute
ASME B18.5
ANSI B 28.2.4 1M
as per defined in ASME B16.5 standard SS Stud Bolt length
ANSI B 18.2.4 2M
as per defined in ASME B18.2.2 SS Hex nuts
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Surface CoatingPtfe Coated Stainless Steel Fasteners
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Fasteners FinishingStainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel
Zinc (blue, black, yellow, white), black oxide.

Available Fastener Types

We offer a comprehensive selection of industrial fasteners manufactured to meet your exact project specifications.

Stud Bolts

Stud Bolts

Bolts

Bolts

Nuts

Nuts

Washers

Washers

Contact Us For Quatation & Questions Related To Inconel / Incoloy Fasteners

Inconel / Incoloy Fasteners Applications

Export & Supply Destinations Of Inconel / Incoloy  Fasteners

Bhutan, Nepal, Israel, Lebanon, Malaysia, Vietnam, British, Taiwan, Turkey, India, Saudi Arabia, Mongolia, Azerbaijan, Japan, Sri Lanka, Jordan, Myanmar, Thailand, Egypt, North Korea, Oman, Russia, Iraq, Iran, Singapore, Hong Kong, United Arab Emirates, Kyrgyzstan, Bahrain, Indonesia, Macau, Qatar, Philippines, Maldives, Bangladesh, Armenia, China, Kuwait, Afghanistan, South Korea.

Lithuania, Germany, Croatia, Russia, Liechtenstein, Estonia, Latvia, Serbia, France, Slovakia, Poland, Malta, Switzerland, Greece, Hungary, Sweden, Romania, Norway, Azerbaijan, Bulgaria, Belgium, Luxembourg, Austria, Ukraine, Belarus, Italy, Moldova, Netherlands, Ireland, Portugal, Czechia/Czech Republic, United Kingdom, Denmark, Cyprus, Spain, Monaco, Turkey, Finland.

Uganda, Madagascar, Cameroon, Morocco, Tunisia, Egypt, Eswatini, Zimbabwe, Libya, Mozambique, Senegal, Liberia, Tanzania, Angola, Nigeria, Seychelles, Burkina Faso, Mauritius, Algeria, Botswana, Rwanda, Central African Republic, Niger, Mauritania, Kenya, Zambia, Burundi, Gambia, Ethiopia, Namibia, South Africa.

Haiti, Guatemala, Bahamas, Cuba, Honduras, Saint Vincent and the Grenadines, Grenada, Mexico, Saint Lucia, Jamaica, Trinidad and Tobago, Antigua and Barbuda, Dominica, Panama, Dominican Republic, Belize, Nicaragua, Barbados, United States of America, El Salvador, Canada, Costa Rica.

Chile, Venezuela, Guyana, Colombia, Argentina, Uruguay, Bolivia, Paraguay, Suriname, Ecuador, Brazil, Peru.

FAQs:

Yes. As a reliable Inconel fasteners manufacturer in India, Sumit Impex machines bolts, nuts and washers from M3 to M56, 3/16″ to 2″, plus custom sizes cut to your drawing.
Yes. Inconel 600, 625 and 718 hold strength in reactors, turbines and exhaust systems, resisting oxidation and carburization at sustained heat.
Fasteners follow ASTM B166 and ASME SB166, with dimensions to DIN 931, 933, 934, ISO 4032 and 4033, and ASME B18.2.1.
Yes. These fasteners are protected from chloride pitting and acid attack by the nickel-chromium composition, making them good for offshore pipelines and chemical process lines.
Inconel fasteners are extensively utilized in oil & gas, petrochemical, marine, power, and chemical sectors. Sumit Impex is one of the trusted Inconel fasteners suppliers in India to fulfill these demanding areas.
Inconel fasteners are widely used in aerospace, power production, and offshore oil and gas applications. They are specifically prescribed for essential joints in these demanding industrial sectors where extremely high temperature conditions, intense mechanical pressure, and aggressive corrosive exposure occur simultaneously during system operations.
Yes. Inconel grades have high chromium and molybdenum contents. These elements spontaneously produce a very stable, passive oxide surface layer. This protective layer shields the fastener from corrosive chemical attack at ambient temperatures and damaging oxidation over prolonged exposure to high heat.
Yes. We supply high-quality Inconel and Incoloy fasteners, on request, fully manufactured, tested and certified to meet strict international standards, including ASTM, ASME, DIN and ISO specifications, ensuring total compliance and reliable performance for your critical industrial engineering projects.
The minimum order quantity is completely based on the individual alloy grade, size and dimensional specifications needed. Please contact our technical sales team directly with your particular requirements and we will promptly send you bespoke MOQ details tailored to your individual project.
Yes. We offer custom coatings and surface treatments of Inconel and Incoloy fasteners to fulfil your specific application needs. We use our developed specialised finishes on a project-by-project basis to further enhance wear, lubrication or target-specific corrosion resistance.