Sumit Impex is a prominent manufacturer, supplier, and exporter of Duplex and Super Duplex Nuts in India. Our diverse range includes material grades, types, forms, and specifications for various industrial needs. From standard sizes to custom dimensions, we provide high-quality products tailored to our client’s requirements, upholding our reputation for reliability and excellence in the industry.

Sumit Impex is a Supplier of Duplex Steel Nuts, Biggest Stockist of Super Duplex Steel Nuts as per Standards in Mumbai, India.

Duplex Steel Dome Nuts, DSS Nuts, Super Duplex Steel Nylon Insert Nuts, Duplex Hex Head Nuts, SDSS Hex Nuts, Super Duplex Eye Nuts, Duplex Steel Heavy Hex Nuts, Duplex Steel & Super Duplex Steel Nuts Manufacturer.

Duplex and Super Duplex nuts offer exceptional corrosion resistance, making them ideal for harsh environments such as offshore oil rigs, chemical processing plants, and marine applications. Their durability ensures long-term reliability in demanding conditions, while their excellent weldability facilitates efficient installation and maintenance. These properties make them indispensable in industries where corrosion resistance, durability, and weldability are paramount.

At Sumit Impex, we implement rigorous testing protocols to ensure the reliability and performance of our products. Our testing covers crucial parameters such as hardness and chemical composition, among others, guaranteeing the highest quality standards. Our comprehensive documentation, including invoices, packing lists and legally recognized Certificates of Origin, streamlines transactions and enhanced transparency. Additionally, we offer third-party inspection certificates to reinforce our commitment to excellence and client satisfaction.

Duplex & Super Duplex Steel Nuts

Duplex & Super Duplex Steel Nuts Specifications

Specifications ASTM A479, A193 & ASME SA479, SA193
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,
  • Stainless steel: 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

Duplex & Super Duplex Steel Nuts Types

Heavy Hex Nuts

Heavy Hex Nuts

Square Nuts

Square Nuts

Wing Nuts

Wing Nuts

Coupling Nuts

Coupling Nuts

Acorn Nuts

Acorn Nuts

Panel Nuts

Panel Nuts

Nyloc Nuts

Nyloc Nuts

Self Locking Nuts

Self Locking Nuts

Contact Us For Quatation & Questions Related To Duplex & Super Duplex Steel Nuts

Duplex & Super Duplex Steel Nuts Applications

Export & Supply Destinations Of  Duplex & Super Duplex Steel Nuts

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

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

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

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

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