Company Introduction
Mcneil Instruments is a trusted name in the global steel and metal industry, delivering premium-quality products and customized solutions to meet diverse industrial needs. With a strong presence in the Kuwait and across international markets, we specialize in manufacturing and supplying stainless steel pipes, tubes, flanges, fasteners, and other high-performance metal products.
Our commitment to quality, innovation, and customer satisfaction sets us apart. Backed by years of industry expertise, we adhere to international standards and ensure precision engineering in every product we deliver. At Mcneil Instruments, we aim to build long-lasting relationships with clients by providing reliable, durable, and cost-effective solutions for industries such as oil & gas, construction, marine, and petrochemicals.
What is Incoloy 800H Nuts?
Incoloy 800H Nuts are high-temperature fasteners made from a nickel–iron–chromium alloy designed for superior strength and creep resistance at elevated temperatures. With enhanced carbon content compared to standard Incoloy 800, these nuts deliver long-term stability, excellent oxidation resistance, and reliable performance in thermal processing, petrochemical systems, and furnace applications.
Applications of Incoloy 800H Nuts
- Heat Treatment & Furnaces – Radiant tubes, furnace fixtures, and thermal processing assemblies.
- Chemical & Petrochemical Plants – Reformers, cracking units, and corrosive media systems.
- Power Generation – Boiler components, superheaters, and turbine systems.
- Industrial Heating Systems – Burners, heat exchangers, and high-temperature fastening.
- Refineries – Applications exposed to oxidation, thermal cycling, and carburization.
Common Uses of Incoloy 800H Nuts
- High-temperature structural fastening.
- Heat exchanger and furnace assembly components.
- Thermal processing and metallurgical equipment.
- Chemical reactor and reformer fastening.
- Components requiring long-term creep resistance and thermal stability.
Incoloy 800H Nuts Specifications
| Specification | Details |
|---|---|
| Hex Coupling Nuts Standard | EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE |
| Hex Coupling Nuts Sizes | M4 to M100 |
| Hex Coupling Nuts Length | 1/2″ to 2″ [Standard lengths or custom lengths as per requirement.] |
| Thread Types | Metric (M) and Unified National Thread (UNC/UNF) |
| Hex Coupling Nuts Materials | High Tensile, Stainless Steel, Inconel Fasteners, Incoloy Fasteners, Hastelloy Fasteners, Monel Fasteners, Silicon Bronze, Phospher Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM |
| Hex Coupling Nuts Coating | PTFE Coated Hex Coupling Nuts, Hot Dip galvanized Hex Coupling Nuts, Yellow Zinc Plated Hex Coupling Nuts, Blue Zinc Plated Hex Coupling Nuts, Black Zinc Plated Hex Coupling Nuts, Zinc Cobalt Plated Hex Coupling Nuts, Aluminium Zinc Flake Coated Hex Coupling Nuts, Black Phosphate Hex Coupling Nuts, Zinc Plated Hex Coupling Nuts, Nickel Plated Hex Coupling Nuts |
| High Tensile Grades | 12.9 Hex Coupling Nuts, 14.9 Hex Coupling Nuts |
| Hex Coupling Nuts Forming | Hot Forged Hex Coupling Nuts & Cold Forged Hex Coupling Nuts |
Incoloy 800H Nuts Materials & Grades
| Materials | Grades |
|---|---|
| Stainless Steel | ASTM / ASME SA 312 GR. TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| High Tensile | 8.8, 10.9, 12.9, 14.9 |
| Duplex Steel | UNS NO S31803, S32205, S32550, S32750, S32760 |
| Alloys Steel | ASTM / ASME A/SA 193 / 194 – B6, B7 / B7M, B16, 2, 2HM, 2H, GR 6 |
| Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
| Hastelloy | Hastelloy C-22, C-276, C-2000, C-4, X, B, N, G |
| Inconel | Inconel 600, 601, 625, 625LCF, 686, 718, 800, 825, X-750, 690, 602, 617, 925, A-289, AL-6XN, AL-904L |
Most Selling Types Of Nuts
Hex Coupling Nuts
Hex Flange Nuts
Hex Jam Nuts
Hex Nuts
K Lock Nuts
Nylock Jam Nuts
Nylock Nuts
Slotted Nuts
Square Thin Nuts
T Slot Nuts
Weld Square Nuts
Wing Nuts
Lifting Eye Nuts
Heavy Hex Nuts
Hex Weld Nuts
Hex Cap Nuts
12 Point Flange Nuts
All Metal Lock Nuts
2 Way Lock Nuts
Acorn Nuts
Applications & Uses of Nut
Hex Bolts in Agriculture Industry
Hex Bolts in Automobile & Transportation
Hex Bolts in Oil and Gas Industry
Hex Bolts in Plumbing
Hex Bolts in Water Supply Systems
Hex Bolts in Chemical Refining
Hex Bolts in Building & Construction
Hex Bolts in Power Generation
Hex Bolts in Military
Hex Bolts in Marine
Incoloy 800H Nuts Manufacturer, Supplier, Exporter in Countries
| Country | Country | Country | Country |
|---|---|---|---|
| Incoloy 800H Nuts exporters in Kuwait | Incoloy 800H Nuts exporters in India | Incoloy 800H Nuts exporters in Oman | Incoloy 800H Nuts exporters in Iran |
| Incoloy 800H Nuts exporters in Qatar | Incoloy 800H Nuts exporters in China | Incoloy 800H Nuts exporters in UAE | Incoloy 800H Nuts exporters in Africa |
| Incoloy 800H Nuts exporters in Turkey | Incoloy 800H Nuts exporters in Mexico | Incoloy 800H Nuts exporters in Canada | Incoloy 800H Nuts exporters in Malaysia |
| Incoloy 800H Nuts exporters in Saudi Arabia | Incoloy 800H Nuts exporters in Brazil | Incoloy 800H Nuts exporters in USA | Incoloy 800H Nuts exporters in Sri Lanka |
| Incoloy 800H Nuts exporters in Australia | Incoloy 800H Nuts exporters in Nigeria | Incoloy 800H Nuts exporters in 85+ countries | |
Manufacturer & Exporter of Nuts in the Following Countries
| Country | Country | Country | Country | Country |
|---|---|---|---|---|
 Saudi Arabia |
 Kazakhstan |
 Zimbabwe |
 Netherlands |
 India |
 Afghanistan |
 Belgium |
 UAE |
 Israel |
 Europe |
 New Zealand |
 Mexico |
 Canada |
 Venezuela |
 United Kingdom |
 United States |
 South Africa |
 Malaysia |
 Poland |
 Germany |
 Singapore |
 Sri Lanka |
 Australia |
 Brazil |
 Ireland |
