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 Inconel 800H Nuts?
Inconel 800H Nuts are made from a nickel-iron-chromium alloy optimized for high-temperature strength and oxidation resistance. The "H" grade features higher carbon content, offering improved creep and stress-rupture properties. These nuts are ideal for use in environments with high heat, pressure, and corrosive conditions, such as chemical processing, power generation, and industrial furnaces.
Applications of Inconel 800H Nuts
- Power Generation – Used in boilers, turbines, and high-temperature piping.
- Chemical Processing – Applied in heat exchangers, reactors, and corrosive process equipment.
- Industrial Equipment – Machinery and structural components exposed to high temperatures.
- Marine Engineering – Seawater-resistant fasteners for marine applications.
- Oil & Gas Industry – Valves, pumps, and offshore platforms operating under heat and stress.
- Petrochemical Applications – High-temperature, corrosion-resistant fasteners for chemical plants.
Common Uses of Inconel 800H Nuts
- High-temperature fastening in boilers, turbines, and heat exchangers.
- Used in chemical process equipment requiring corrosion and heat resistance.
- Industrial and marine machinery fasteners.
- Marine and offshore structural fasteners.
- Applied in power plants, refineries, and high-stress equipment assemblies.
- Furnace, boiler, and high-temperature process fasteners.
Hex Coupling 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 |
Hex Coupling 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 Hex Coupling 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
Inconel 800H Nuts Manufacturer, Supplier, Exporter in Countries
| Country | Country | Country | Country |
|---|---|---|---|
| Inconel 800H Nuts exporters in Kuwait | Inconel 800H Nuts exporters in India | Inconel 800H Nuts exporters in Oman | Inconel 800H Nuts exporters in Iran |
| Inconel 800H Nuts exporters in Qatar | Inconel 800H Nuts exporters in China | Inconel 800H Nuts exporters in UAE | Inconel 800H Nuts exporters in Africa |
| Inconel 800H Nuts exporters in Turkey | Inconel 800H Nuts exporters in Mexico | Inconel 800H Nuts exporters in Canada | Inconel 800H Nuts exporters in Malaysia |
| Inconel 800H Nuts exporters in Saudi Arabia | Inconel 800H Nuts exporters in Brazil | Inconel 800H Nuts exporters in USA | Inconel 800H Nuts exporters in Sri Lanka |
| Inconel 800H Nuts exporters in Australia | Inconel 800H Nuts exporters in Nigeria | Inconel 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 |
