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Shop No- 6B, Ground Floor, Sindhi Ln, opposite Municipal School, Charni Road East, Cawasji Patel Tank, Girgaon, Mumbai, Maharashtra 400004
Alloy 20 Fasteners
Alloy 20 Fasteners Manufacturer in India
Neelkamal Alloys LLP is a recognized Alloy 20 fasteners manufacturer and supplier in Mumbai, India. We provide high-performance fastening solutions engineered for industries where corrosion resistance is critical. Our range includes Alloy 20 nuts, bolts, washers, studs, and screws, all crafted to meet stringent industrial standards. Whether supporting piping systems in chemical processing plants or serving as essential components in food and pharmaceutical equipment, our fasteners deliver long-lasting durability and flawless performance—even in the harshest environments.
Alloy 20, also referred to as the Carpenter 20 fastener or the UNS N08020 fastener, is a high-performance austenitic alloy that is primarily composed of nickel, iron, and chromium, with trace quantities of copper and molybdenum. This mixture provides it with substantial resistance to chloride stress corrosion fracture, pitting, and sulfuric acid. At Neelkamal Alloys LLP, we follow international manufacturing standards such as ASTM B473, ASTM B462, and ASME SB specifications to ensure precision and strength. In more aggressive chemical conditions, people often choose these fasteners as an upgrade from 304 or 316 grades.
We supply a complete line of Alloy 20 fasteners, including hex head bolts, hex nuts, flat and spring washers, stud bolts, threaded rods, and machine screws. Our Alloy 20 nut bolts are versatile and can be used for various assembly and maintenance requirements. They are available in both imperial and metric sizes, M6 to M60. Additionally, customers have the option to request unique threading varieties, such as UNC, UNF, or BSW. We are capable of providing custom measurements and finishes, regardless of whether you are seeking an Alloy 20 nut and bolt set for pressure vessels or an Alloy 20 bolt and nut for pump assemblies.
To ensure every fastener meets safety and performance expectations, we carry out strict testing — from visual and dimensional checks to hardness and tensile strength verification. We deliver each item with full traceability and reports, which include EN 10204 3.1 certificates, chemical composition analysis, and inspection documents. Prices typically vary from $0.30 to $10 per piece, depending on size, finish, and quantity. For bulk buyers or repeat orders, we also offer competitive pricing and timely dispatch from ready stock.
Neelkamal Alloys LLP is a seasoned Alloy 20 fastener exporter that serves clients in the United States, Europe, Southeast Asia, and beyond. A hassle-free purchasing experience is guaranteed by our responsive support team and export-grade packaging. For those in search of high-quality Alloy 20 nut bolts, washers, studs, or screws, please do not hesitate to contact us. Our team is ready to offer you technical assistance, samples, or a fast, personalized quote.
Alloy 20 Fasteners Specification
| Specification | ASTM / ASME SB 472, UNS 8020 Bolts |
|---|---|
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards |
| Fasteners/ Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Fasteners Standard: | ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards |
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamm Steel, Mukund Steel etc. |
| SCOPE OF MANUFACTURE |
|
| Fasteners In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Fasteners finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| bolting materials Surface Coating: |
All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| Popular Types of Nut | Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc. |
| Popular Types of Screw | Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc. |
| Popular Types of Washer | Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc. |
| Fasteners Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Get Free Quote for ASTM B472 20 Alloy Fasteners, UNS N08020 Fasteners, Carpenter 20 Fasteners, 2.4660 Fasteners, WERKSTOFF NR. 2.4660 Fasteners, Alloy 20 Stainless Steel Bolts, UNS N08020 Threaded Rod, Alloy 20 Washers, Alloy 20 Anchor Bolts, ASME SB473 Alloy 20 Bolts, UNS N08020 Nuts
Alloy 20 Bolts are composed of a nickel-chromium alloy containing 32.5% nickel, 19% chromium, and other elements such as carbon, copper, molybdenum, manganese, silicon, columbium, and iron. Neelkamal Alloys LLP, a leading manufacturer and supplier of Alloy 20 Hex Bolts and various fasteners, provides high-performance solutions using this versatile material, also known as Carpenter 20 for its use in wooden applications. The Alloy 20 Screws offer impressive strength, with a minimum tensile strength of 80 ksi and a minimum yield strength of 35 ksi. They also have high hardness, rated at 217 HBW. Alloy 20 Stainless Steel Stud Bolts are widely used to connect two components using the stud protrusion, and are available in sizes ranging from ¼ inch to 1 ½ inches. Alloy 20 Hex Nuts are popular due to their excellent grip for loosening and tightening. Neelkamal Alloys LLP also supplies Alloy 20 Threaded Rods, which are ideal for fitting two parts together without the need for a screw head or bolt. These rods may feature threads on either one or both ends, depending on the application. As part of the product range, Alloy 20 N08020 Washers are also available, playing a crucial role in absorbing stress and vibrations in heavy load systems.
ASTM B472 20 Alloy Fasteners Price in India
| Alloy 20 UNS N08020 2.4660 Alloy 20 stud bolt c/w 2 heavy hex nut | US $15.60-$18.00 / Pieces |
| Cheap alloy 20 hex bolt and nut | US $0.04-$0.60 / Piece |
| Alloy 20 hex bolt and nut | US $0.01-$0.50 / Piece |
| Alloy 20 / 2.4660/ N08020 HEX CAP SCREW / BOLT | US $0.10-$100.00 / Piece |
| Din975 High quality M8 Alloy 20 bolt price per piece | US $0.50-$2.00 / Piece |
| High quality Alloy 20 price stud bolts with hex nut | US $0.01-$2.00 / Piece |
| High quality M8 Alloy 20 bolt price per piece | US $0.50-$2.00 / Piece |
| Alloy 20 UNS N08020 2.4660 Alloy 20 12 Point Flange Bolt | US $3.20-$3.50 / Pieces |
| China supplier best price Iso 4017 Alloy 20 Hex Bolt And Nut | US $0.05-$1.00 / Piece |
| Alloy 20 UNS N08020 DIN/EN 2.4660 12 point bolt flange shoulder bolt U bolt eye bolt | US $10.50-$12.00 / Pieces |
| M8~M72 Alloy 20 alloy steel bolt price per piece | US $0.20-$2.00 / Piece |
| Alloy 20 cotter pin bolt manufacturer | US $0.10-$5.00 / Piece |
| Din975 High quality M8 Alloy Incoloy Alloy 20 bolt price per piece | US $0.50-$2.00 / Piece |
| UNS N08020 Alloy 20 2.4660 Alloy 20 Big NUT Heavy hex Nut | US $14.80-$15.60 / Pieces |
| ALLOY 20 / 2.4660 / UNS N08020 hex nut 3/8-16 5/16-18 | US $0.20-$0.50 / Pieces |
Alloy 20 Fasteners Chemical Composition
|
Grade
|
C
|
Mn
|
Si
|
Cu
|
S
|
Fe
|
Mo
|
Ni
|
Cr
|
|---|---|---|---|---|---|---|---|---|---|
|
Alloy 20
|
0.02 max
|
1.0-2.0
|
0.7 max
|
3.0-4.0
|
0.005 max
|
bal
|
2.0-3.0
|
32 – 38
|
19 – 21
|
UNS N08020 Fasteners Mechanical Properties
|
Density
|
Melting Point
|
Tensile Strength
|
Yield Strength (0.2%Offset)
|
Elongation
|
|---|---|---|---|---|
|
8.1 g/cm3
|
1443 °C (2430 °F)
|
Psi – 80000 , MPa – 551
|
Psi – 35000 , MPa – 241
|
30 %
|
Alloy 20 Fasteners Size Chart
|
Screws Type
|
SIZE
|
GRADE
|
ASME
|
ISO
|
ASTM
|
|---|---|---|---|---|---|
|
Socket Head Cap Screws
|
M1.6 to M64
|
12.9
|
B18.3.1 M
|
4762
|
A574M
|
|
Socket Low Head Cap Screws
|
M4 to M20
|
10.9
|
|
|
|
|
Socket Head Shoulder Screws
|
M6 to M24
|
012.9
|
B18.3.3M
|
|
|
|
Countersunk Socket Head Screws
|
M3 to M20
|
012.9
|
B18.3.5M
|
10642
|
F835M
|
|
Button Head Socket Screws
|
M3 to M12
|
012.9
|
B18.3.4M
|
7380
|
F835M
|
|
Flange Button Head Socket Screws
|
M3 to M10
|
012.9
|
|
|
F835M
|
|
Knurled Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Flat Point Socket Set Screws
|
M6 to M12
|
45H
|
B18.3.6M
|
4026
|
F912M
|
|
Dog Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4028
|
F912M
|
|
Cone Point Socket Set Screws
|
M3 to M12
|
45H
|
B18.3.6M
|
4027
|
F912M
|
|
Plain Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
|
Taper Pressure Plug
|
M8 to M22
|
–
|
|
|
|
|
Alloy 20 Bolt Type
|
SIZE
|
PROPERTY CLASS
|
TENSILE STRENGTH
|
STANDARD
|
|---|---|---|---|---|
|
Alloy 20 Hex Head Bolt / Screws
|
M4 to M80
|
10.9
|
1040N / mm2 min
|
ISO 4017 (Full Thread)
ISO 4014 (Half Thread) |
|
Nuts Type
|
SIZE
|
PROPERTY CLASS
|
STANDARD
|
|---|---|---|---|
|
Hex Nut
|
M6 to M42
|
10
|
ISO 4032
|
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & `10
|
DIN 982
|
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & 10
|
DIN 985
|
|
Hex Weld Nut
|
M6 to M12
|
8
|
DIN 929
|
|
Alloy 20 Washers Type
|
SIZE
|
HARDNESS
|
STANDARD
|
|---|---|---|---|
|
Square Section Spring Washer
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 7980
|
|
Flat Section Spring Washer
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 127 B
|
|
Hardened Washer
|
12mm to 30mm
|
HV (300 to 370)
|
IS 2016
|
|
Hardened Steel Washer
|
12mm to 56mm
|
Rockwell 26 to 45 (HDG)
Rockwell 38 to 45 (Coated) |
ASTM F436M
|
ASTM B472 20 Alloy Fasteners Supplier and Exporter
Cities we supply
Countries we export
Cities we supply
Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Pimpri-Chinchwad, Patna, Vadodara, Ghaziabad, Ludhiana, Agra, Nashik, Faridabad, Meerut, Rajkot, Kalyan-Dombivli, Vasai-Virar, Varanasi, Srinagar, Aurangabad, Dhanbad, Amritsar, Navi Mumbai, Allahabad, Howrah, Ranchi, Gwalior, Jabalpur, Coimbatore, Vijayawada, Jodhpur, Madurai, Raipur, Kota, Guwahati, Chandigarh, Solapur, Hubli-Dharwad, Bareilly, Moradabad, Mysore, Tiruchirappalli, Tiruppur, Gurgaon, Aligarh, Jalandhar, Bhubaneswar, Salem, Mira-Bhayandar, Warangal, Guntur, Bhiwandi, Saharanpur, Gorakhpur, Bikaner, Amravati, Noida, Jamshedpur, Bhilai, Cuttack, Firozabad, Kochi, Nellore, Bhavnagar, Dehradun, Durgapur, Asans
Countries we export
Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina Faso, Burundi, Cabo Verde, Cambodia, Cameroon, Canada, Central African Republic, Chad, Chile, China, Colombia, Comoros, Congo (Congo-Brazzaville), Costa Rica, Croatia, Cuba, Cyprus, Czechia (Czech Republic), Democratic Republic of the Congo, Denmark, Djibouti, Dominica, Dominican Republic, East Timor (Timor-Leste), Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini (Swaziland), Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Korea (North), Korea (South), Kosovo, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar (Burma), Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Niger, Nigeria, North Macedonia (formerly Macedonia), Norway, Oman, Pakistan, Palau, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States of America, Uruguay, Uzbekistan, Vanuatu, Vatican City (Holy See), Venezuela, Vietnam, Yemen, Zambia, Zimbabwe.
Other Products
Materials
Weight Chart
Export Worldwide
| USA | Switzerland |
| Germany | Spain |
| Japan | Taiwan |
| South Africa | Mexico |
| South Korea | Singapore |
| UK | Netherlands |
| France | Turkey |
| Italy | Russia |
| Saudi Arabia | Brazil |
| Canada | Australia |
| Sweden | Poland |
| Qatar | Oman |
| Kuwait | UAE |
