Sumit Impex is a leading manufacturer, supplier and exporter of ASTM A320 Grade L7 Nuts. Our focus on reliability is evident in our supply of premium-grade ASTM A320 Grade L7 Nuts, ensuring top-notch quality for our customers. With a wide range of products and a commitment to excellence, we strive to meet our client’s diverse needs while maintaining high service standards.

Sumit Impex is a Supplier of ASTM A320 Grade L7 Nuts, Biggest Stockist of Grade L7 Nuts as per Standards in Mumbai, India.

A320 Grade L7 Nylon Insert Nuts, SA320 Grade L7 Heavy Hex Nuts, ASTM A320 Grade L7 Hex Nuts, SA320 Grade L7 Eye Nuts, ASTM A320 Gr L7 Hex Head Nuts, ASTM A320 Grade L7 Dome Nuts, ASTM A320 Grade L7 Nuts, ASTM A320 Grade L7 Nuts Manufacturer.

ASTM A320 Grade L7 Nuts are high-strength fasteners commonly used in applications requiring elevated temperature and pressure conditions. These nuts are made from alloy steel and undergo heat treatment to achieve the desired mechanical properties, including high tensile strength and corrosion resistance. Typically used in industrial settings such as petrochemical, oil and gas, and power generation industries, ASTM A320 Grade L7 Nuts provide reliable fastening solutions for critical components and structures.

At Sumit Impex, we ensure the quality of our materials by conducting a series of tests, including IGC (Intergranular corrosion testing), Flaring, Pitting resistance, Micro and Macro, Chemical Analysis, Hardness, and PMI (Positive Material Identification) tests. We provide packing lists, invoices, and Certificates of Origin to accompany our deliveries. We offer third-party inspection certificates for added assurance to ensure complete client satisfaction.

ASTM A320 Grade L7 Nuts

ASTM A320 Grade L7  Nuts Specifications

Standards Designation
ASTM A320 : Grade L7M, L7, B8, B8M
Thread Requirements of Astm A320 Bolts UNC & UNF, ASME B1.1, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge)
Astm A320 Bolts Manufacturing Process Cold Heading, Wire Drawing, Heat Treatment, Insert tapping, Inspection, Surface Plating, Packing
Astm A320 Bolts Delivery time custom product will according to special requirement, Regular product is about 7-15 days
ASTM A320 L7 Bolts Coatings Cadmium, Black Oxide, Teflon, Galvanized, Zinc, Xylan, Others Upon Request
Astm A320 Bolts Head Square, Hex, Hex flange, Round, T-head, Flat & Triangular etc
ASTM A320 L7 Bolts Neck type Square, Hex, Oval, Triangular & Knurled etc
Astm A320 Bolts Dimensions ASME B18.3, B18.2.1
Melt Origin South America/East Europe/Japan/Korea
Product Origin Made in India
Astm A320 Bolts Threads Configuration B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads
Astm A320 Bolts Certification Dual Certified As per ASME & ASTM Codes
Additional Certifications Merkblatt AD 2000 W2 Certified, PED 97/23/EC Certified
Mandatory Requirements Free from Radioactive & Mercury Contamination
Additional Requirements NACE MR0175 / MR0103 /ISO 15156 Compliance

ASTM A320 Grade L7 Nuts Types

Hex Nuts

Hex Nuts

Countersunk Screw

Countersunk Screw

Wing Nut

Wing Nut

Acorn Nut

Acorn Nut

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A320 Grade L7 Nuts Applications

Export & Supply Destinations Of ASTM A320 Grade L7 Nuts

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

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

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

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

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