Sumit Impex is a premier manufacturer and supplier of Cupro-Nickel Nuts, renowned for their durability and precision engineering. With a focus on quality and customer satisfaction, we ensure that our products meet stringent standards, making them a trusted choice for various industrial applications worldwide.

Sumit Impex is a Supplier of Cupro Nickel Nuts, Biggest Stockist of Copper Nickel Nuts as per Standards in Mumbai, India.

CuNi Nylon Insert Nuts, Copper Nickel Heavy Hex Nuts, Cupro Nickel Eye Nuts, Copper Nickel Dome Nuts, Cupro Nickel Hex Nuts, CuNi Hex Head Nuts, Copper Nickel Nuts, Cupro Nickel  Nuts Manufacturer.

Cupro-nickel nuts offer excellent corrosion resistance, making them ideal for applications in marine environments, chemical processing industries, and offshore installations. Their durability and resistance to biofouling make them popular choices for seawater piping systems, heat exchangers, and shipbuilding. Additionally, they are utilized in desalination plants, oil refineries, and power generation facilities where resistance to corrosion and high temperatures is paramount.

At Sumit Impex, we prioritize quality assurance for our Cupro-Nickel nuts. Each nut undergoes thorough testing to ensure its strength and resistance to corrosion. We conduct micro and macro tests and check for flaring and pitting resistance to guarantee structural integrity. Additionally, we verify the material composition through PMI testing and ensure flawless manufacturing with 100% radiography tests. Third-party inspection certificates further validate our commitment to providing high-quality products with superior performance and reliability.

Cupro Nickel Nuts

Cupro Nickel Nuts Specifications

Specifications ASTM B151 / ASME SB151
Nut (DIA)
  • Metric: M6 – M110
  • Inch: 1/4″ – 4.5″
Nuts International Standard IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI
Threads BSF, UNF METRIC, UNC, UNEF, BSW or as required
ASME/ ANSI – American Standard
  • ANSI B 28.2.4 1M
  • ANSI B 18.2.4 2M
  • ASME B18.5
  • ASME B18.2.2
DIN German Standard DIN 933, DIN 931, DIN 970, DIN 934
ISO Standard ISO 4033, : ISO 4032, JIS standards
Head Drive style Phillips/ Slot, Phillips, Oval, Flat 82 degree, Pan, flat undercut, Round, Truss, flat head 100 degree, binding, fillister head, indented hex head, Slotted, Six-Lobe
MTC (Manufacturer Test Certificate) EN 10204 / 3.1
Finishing 
  • Zinc white, (yellow, black, blue), black oxide,
  • Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated,
  • Inconel: Passivated Self-Colour, Bright Zinc Plated (BZP),
  • Hot Dip Galvanised (HDG), Sherardized, DACROMET and Mechanically Applied coating
Production Process
  • M2-M24: Cold Forging, hot forging
  • M24-M100, machining and CNC for Customized connecting element
Nuts Coating
  • Xylon Coated Fasteners
  • Phosphate Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners
  • Teflon Coated Fasteners
  • Zinc Coated Fasteners
  • Cadmium Coated Fasteners
  • Ptfe Coated (Teflon) Fasteners
Packing Wooden Pallet, Canton, Carton / Small Box or as required

Cupro Nickel Nuts Types

Heavy Hex Nuts

Heavy Hex Nuts

Square Nuts

Square Nuts

Square Nuts

Square Nuts

Acorn Nuts

Acorn Nuts

Contact Us For Quatation & Questions Related To Cupro Nickel Nuts

CuNi Nuts Applications

Export & Supply Destinations Of Cu-Ni Nuts

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

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

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

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

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