Sumit Impex is one among the major stainless steel fasteners manufacturers in India offering complete range of fasteners designed to fulfil the needs of a wide world of industries. Our range of products comprises 316 stainless steel fasteners, 304 stainless steel fasteners, and ASTM F593 fasteners, which provide superior performance, strength, and corrosion resistance. Whether you need fasteners for industrial machinery, marine applications, or construction projects, Sumit Impex ensures that every product we offer is built to last.
Sumit Impex is a Supplier of Stainless Steel Fasteners, Biggest Stockist of SS Fasteners as per Standards in Mumbai, India.
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Our stainless steel fasteners are available in various shapes like bolts, nuts, washers, stud bolts, screws, and threaded rods, each made to serve different application requirements. We offers an extensive array of fasteners, such as hex bolts, flange bolts, socket-head screws, carriage bolts and eye bolts, to meet both industrial and commercial applications. In either small sizes for M3 bolts or larger sizes for M100 fasteners, we have standard sizes available and can also custom-make to the specifications of individual projects.
As a reliable stainless steel fasteners manufacturer in India, we make sure to utilize only high-quality materials to provide our fasteners with the best performance in various environments. Our 316 SS fasteners are ideal for environments under high humidity or saline environments, which have excellent corrosion-resistant properties. On the other hand, our 304 SS fasteners are ideal for general use, offering strong mechanical properties and excellent oxidation resistance.
Apart from supplying standard products, we also offer custom fasteners to satisfy the specific requirements of our customers. Whether you require fasteners for high-temperature applications or those that can endure extreme pressure, Sumit Impex has the right solution. We ensure that all of our fasteners adhere to strict quality standards, including ASTM A193, ISO 3506, and ASME SF593/SF594 specifications, guaranteeing high levels of performance and reliability.
To meet the ever-growing demands of our clients, Sumit Impex keeps a ready stock of stainless steel fasteners in various dimensions and sizes, ensuring that we can fulfill urgent orders promptly. From standard hex nuts and washers to specialized fasteners, we guarantee fast and reliable delivery to help our customers stay on schedule.
Our testing facilities play an essential role in ensuring the quality of every fastener that leaves our facility.We undergo strict testing of tensile strength, corrosion resistance, dimensional stability and mechanical properties to make sure that our products conform to industry standards. This level of quality control allows us to deliver fasteners that perform reliably even in the most demanding conditions.
Are you looking for ASTM A182 UNS S31600 fasteners, 304 stainless steel fasteners, or ASTM F593 fasteners? Sumit Impex has a variety of products to offer your needs. We are known for being the foremost stainless steel fasteners manufacturer in India because of our expertise, dedication to quality, and focus on satisfying clients. Call us today for high-quality fasteners customized to suit your specific demands.
Common Stainless Steel Fastener Alloys & Availability
Stainless Steel 304 Fastener
Stainless Steel 304 Fastener
Stainless Steel 310 Fastener
Stainless Steel 310 Fastener
Stainless Steel 316 Fastener
Stainless Steel 316 Fastener
Stainless Steel 317 Fastener
Stainless Steel 317 Fastener
Stainless Steel 321 Fastener
Stainless Steel 321 Fastener
Stainless Steel 347 Fastener
Stainless Steel 347 Fastener
Stainless Steel 410 Fastener
Stainless Steel 410 Fastener
Stainless Steel 904L Fastener
Stainless Steel 904L Fastener
Standard Specification For Stainless Steel Fastener
| Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
ASTM A193 / A194 Stainless Steel Fasteners Forms & Availability
| Products | Size | |
| ASTM A193 / A194 SS Stud Bolt | ASTM A193 / A194 SS Bolts | Sizes M3 – M56 | 3/6″ to 2″ |
| ASTM A193 / A194 SS Punched Washer | ASTM A193 / A194 Stainless Steel Pan Head Screw | |
| ASTM A193 / A194 Stainless Square Nut | ASTM A193 / A194 SS Insert Nuts | |
| ASTM A193 / A194 SS Welding Studs | ASTM A193 / A194 SS Pan Head Screw | |
| ASTM A193 / A194 Stainless Cap Screw | ASTM A193 / A194 Stainless Foundation Bolts | |
| ASTM A193 / A194 SS Threaded Rod | ASTM A193 / A194 Stainless Hex Head Bolts | |
| ASTM A193 / A194 Stainless Nuts | ASTM A193 / A194 Stainless Washers | |
| ASTM A193 / A194 SS Fender Washer | ASTM A193 / A194 SS Lock Nut | |
| ASTM A193 / A194 SS Countersunk Slotted Screw | ASTM A193 / A194 SS Double Ended Stud | |
Stainless Steel Fasteners Weight Chart
- ISO 7089 Weight Chart (Plain Washer)
- ISO 4014 Weight Chart (Hexagon Head Bolt And Screw)
- ISO 4762 Weight Chart (Hexagon Socket Head Cap Screw)
- ISO 14583 Weight (Thread Forming Screw)
- DIN 938 Stud Dimensions (Stud And Stud Bolt)
- DIN 976 B Specification (Stud And Stud Bolt)
- ISO 4032 Weight Chart (Hexagon Nut)
- ISO 10642 Weight (Countersunk Screw)
SS Fasteners Standard
| Hexagon Bolt / Set Screws | Stud Bolt | Hexagon Nuts | Socket Cap screws |
| DIN 931 | BS4882 | DIN 934 | DIN 912 |
| DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
| BS 1768 | BS 1769 | DIN 7984 | |
| UNI 5731 | BS 1083 | ANSI B18.3 | |
| UNI 5739 | BS 3692 | ISO 4762 | |
| ISO 4014 | ISO 4032 | UNI 5931 | |
| ISO 4017 | ISO 4033 | BS 2470 | |
| BS 1769 | ANSI B18.2.2 | BS 4168 | |
| BS 3692 | |||
| ANSI B18.2.1 | |||
| Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
| DIN 913 | DIN 963 | DIN 938 | DIN 125 |
| DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
| DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
| DIN 916 | BS 1981 | BS 4439 | BS 3410 |
| DIN 551 | BS 483 | BS 2693 | |
| DIN 553 | BS 2470 | Spring Washers | |
| DIN 438 | DIN 127 | ||
| BS 4168 | BS 4464 | ||
| BS 1802 |
Metric SS FastenersSS Fasteners Type Socket Head Cap Screw SS Fasteners SIZE M3 to M30 PROPERTY CLASS A2 – 70/80, A4 – 70/80 SS Fasteners Standard DIN 912 / ISO 4762 SS Fasteners Type Hex Head Screw (Full Thread) SS Fasteners SIZE M3 to M30 PROPERTY CLASS A2 – 70/80, A4 – 70/80 SS Fasteners Standard DIN 933 / ISO 4017 SS Fasteners Type Hex Head Bolt (Partial Thread) SS Fasteners SIZE M4 to M30 PROPERTY CLASS A2 – 70/80, A4 – 70/80 SS Fasteners Standard DIN 931 / ISO 4014 SS Fasteners Type Hex Nut SS Fasteners SIZE M3 to M30 PROPERTY CLASS A2 – 70/80, A4 – 70/80 SS Fasteners Standard DIN 934 / ISO 4032 SS Fasteners Type Plain Washer SS Fasteners SIZE M3 to M64 PROPERTY CLASS A2, A4 SS Fasteners Standard DIN 125 A SS Fasteners Type Flat – Section Spring Washer SS Fasteners SIZE M3 to M36 PROPERTY CLASS A2, A4 SS Fasteners Standard DIN 127 B SS Fasteners Type Square – Section Spring Washer SS Fasteners SIZE M3 to M36 PROPERTY CLASS A2, A4 SS Fasteners Standard DIN 7980 SS Fasteners Type Threaded Rod SS Fasteners SIZE M3 to M36 PROPERTY CLASS A2 – 70/80, A4 – 70/80 SS Fasteners Standard DIN 975
SS Fasteners Metric Conversion Table
US
(inches) Metric
(millimeters) US
(inches) Metric
(millimeters) 1/16 1.6 1-1/2 38 1/8 3.2 1-5/8 41 3/16 4.8 1-3/4 45 1/4 6.4 1-7/8 48 5/16 7.9 2 51 3/8 9.5 2-1/4 57 11/16 17 3-1/2 89 7/16 11 2-1/2 64 1/2 13 2-3/4 70 9/16 14 3 76 5/8 16 3-1/4 83 3/4 19 3-3/4 95 13/16 21 4 102 7/8 22 4-1/2 114 15/16 24 5 127 1-1/8 29 6 152 1-1/4 32 6-1/2 165 1 25 5-1/2 140 1-3/8 35 7 178
Stainless Steel Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Contact Us For Quatation & Questions Related To Stainless Steel Fasteners
Stainless Steel Fasteners Applications
Food Processing Industry
Hydraulic Applications
Offshore Pipelines & Pipe Works
Oil & Gas Industrires
Petrochemical Industry
Piping Systems
Power Plant Industry
Pulp & Paper Industry
Refining Industry
shipbuilding-industries
Chemical Industries
Construction Industries
Export & Supply Destinations Of SS Fasteners
Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, British, China, Egypt, Hong Kong, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kuwait, Kyrgyzstan, Lebanon, Macau, Malaysia, Maldives, Mongolia, Myanmar, Nepal, North Korea, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Turkey, United Arab Emirates, Vietnam.
Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Croatia, Cyprus, Czechia/Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom.
Algeria, Angola, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Egypt, Eswatini, Ethiopia, Gambia, Kenya, Liberia, Libya, Madagascar, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Seychelles, South Africa, Tanzania, Tunisia, Uganda, Zambia, Zimbabwe.
Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States of America.
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.
| SS Fasteners Type | Socket Head Cap Screw |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 912 / ISO 4762 |
| SS Fasteners Type | Hex Head Screw (Full Thread) |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 933 / ISO 4017 |
| SS Fasteners Type | Hex Head Bolt (Partial Thread) |
| SS Fasteners SIZE | M4 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 931 / ISO 4014 |
| SS Fasteners Type | Hex Nut |
| SS Fasteners SIZE | M3 to M30 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 934 / ISO 4032 |
| SS Fasteners Type | Plain Washer |
| SS Fasteners SIZE | M3 to M64 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 125 A |
| SS Fasteners Type | Flat – Section Spring Washer |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 127 B |
| SS Fasteners Type | Square – Section Spring Washer |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2, A4 |
| SS Fasteners Standard | DIN 7980 |
| SS Fasteners Type | Threaded Rod |
| SS Fasteners SIZE | M3 to M36 |
| PROPERTY CLASS | A2 – 70/80, A4 – 70/80 |
| SS Fasteners Standard | DIN 975 |
| US (inches) | Metric (millimeters) | US (inches) | Metric (millimeters) |
| 1/16 | 1.6 | 1-1/2 | 38 |
| 1/8 | 3.2 | 1-5/8 | 41 |
| 3/16 | 4.8 | 1-3/4 | 45 |
| 1/4 | 6.4 | 1-7/8 | 48 |
| 5/16 | 7.9 | 2 | 51 |
| 3/8 | 9.5 | 2-1/4 | 57 |
| 11/16 | 17 | 3-1/2 | 89 |
| 7/16 | 11 | 2-1/2 | 64 |
| 1/2 | 13 | 2-3/4 | 70 |
| 9/16 | 14 | 3 | 76 |
| 5/8 | 16 | 3-1/4 | 83 |
| 3/4 | 19 | 3-3/4 | 95 |
| 13/16 | 21 | 4 | 102 |
| 7/8 | 22 | 4-1/2 | 114 |
| 15/16 | 24 | 5 | 127 |
| 1-1/8 | 29 | 6 | 152 |
| 1-1/4 | 32 | 6-1/2 | 165 |
| 1 | 25 | 5-1/2 | 140 |
| 1-3/8 | 35 | 7 | 178 |
Stainless Steel Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Contact Us For Quatation & Questions Related To Stainless Steel Fasteners
Stainless Steel Fasteners Applications
Food Processing Industry
Hydraulic Applications
Offshore Pipelines & Pipe Works
Oil & Gas Industrires
Petrochemical Industry
Piping Systems
Power Plant Industry
Pulp & Paper Industry
Refining Industry
shipbuilding-industries
Chemical Industries
Construction Industries
Export & Supply Destinations Of SS Fasteners
Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, British, China, Egypt, Hong Kong, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kuwait, Kyrgyzstan, Lebanon, Macau, Malaysia, Maldives, Mongolia, Myanmar, Nepal, North Korea, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Turkey, United Arab Emirates, Vietnam.
Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Croatia, Cyprus, Czechia/Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom.
Algeria, Angola, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Egypt, Eswatini, Ethiopia, Gambia, Kenya, Liberia, Libya, Madagascar, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Seychelles, South Africa, Tanzania, Tunisia, Uganda, Zambia, Zimbabwe.
Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States of America.
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.
