SS MANUFACTURER IN DELHI
As the leading manufacturer of hex bolts, steel nuts & SS screws in Delhi, Stainless Bolt Industries produce exceptional fasteners to the National Capital Region’s expansive industrial and construction sectors. Delhi is an important area for infrastructure and automotive research/development, requiring quality fasteners to satisfy the demands of many different stringent international standards such as DIN, ISO, and ASTM.
Using advanced cold-forging technology, our manufacturing unit produces a broad line of 316 stainless steel fasteners in India. Consequently, our bolts/nuts resist the many elements, urban pollution & high load(s)/mechanical forces present in major cities today.
Buying from a reliable Delhi NCR-based SS manufacturer provides tremendous time savings and superior levels of quality control to all of your projects. As a major dealer of Industrial SS Fastner products in Ahmedabad, India, we have developed our supply chain throughout the Okhla Industrial Area, Bawana, and Mayapuri.
Whether you require A2/A4 stainless steel components or custom-designed/high-tensile SS hardware, our products have been designed with maximum durability and resistance against corrosion in mind. With our extensive technical support and understanding of local market conditions, we have established ourselves as the most trusted source for engineers and procurement agents throughout North India.
SS Hex Bolts in Delhi
As a premier SS hex bolt manufacturer in Delhi, we provide the industry with a complete line of both full-thread and half-thread bolts made to DIN 933 & DIN 931 specifications.
Stainless Bolt Industries is designed specifically for use throughout the NCR region’s heavy engineering and construction sectors, we carry a robust stock of bolts manufactured from Grade 316 stainless steel to meet the requirements of chemical resistance as well as Grade 304 stainless steel bolts suitable for general construction.
In addition to being an SS anchor bolt manufacturer in India, we design and produce J-bolts and L-bolts, which anchor Delhi’s massive infrastructure projects firmly to their foundations.
Assisting our customers in the area of technical procurement, we have available for our SS Hex Bolts in Delhi a detailed SS DIN HEX BOLT WEIGHT chart that allows for accurate weight estimates during the design stage.
We stock SS Hex Bolts of virtually every size from M2 through M100, thus providing cover for all types of applications, from delicate electronic enclosures to huge structural steel frame systems.
With a focus on thread accuracy and material purity, we ensure our bolts meet the high-torque performance required in the automotive and power generation sectors of Delhi.
Available Types:
- Fully threaded hex bolts
- Partially threaded hex bolts (hex cap screws)
- Heavy hex bolts for structural applications
Sizes and Standards:
- Metric: M6 to M100 | Inch: 1/4″ to 4″
- Standards: ASTM A193, DIN 933, DIN 931, ISO 4014, ISO 4017
SS Hex Nuts in Delhi
As a specialist manufacturer of SS Hex Nuts in Delhi, we’re a great source for the perfect companion to our high-tensile bolt range.
Stainless Bolt Industries manufactures everything from standard hex nuts to specialized locking components, providing a secure connection that will not come loose under high-vibration conditions.
As a leading dealer of stainless steel brake nuts in Delhi and India, we supply the transit and transitory sectors of Delhi and Ludhiana with very high-safety fasteners because failure is not an option.
Stainless brand nuts are produced with consistent thread engagement, which is extremely important to keep complex assembly structures from failing.
In addition, we are also one of the largest suppliers of anti-theft nuts in SS 304 for public infrastructure and solar installations throughout the NCR.
These special SS hex nuts have shear-off heads or specifically designed drive patterns to help prevent unauthorized removal in urban areas.
Whether you require standard DIN 934 hex nuts or high-tensile variant custom hex nuts, we have a local supply network in Delhi that will guarantee the security, corrosion resistance, and compliance with applicable safety regulations of your assembly.
Available Types:
- Standard hex nuts (DIN 934 / ISO 4032)
- Heavy hex nuts (ASTM A194)
- Coupling nuts
- Nylon insert lock nuts (SS hex nyloc)
- Flange nuts
Sizes and Standards:
- Sizes: M4 to M100 | 1/4″ to 4″
- Standards: ASTM A194 2H & 8M, DIN 934, ISO 4032
SS Screws in Delhi
Stainless Bol Industries, as one of the leading suppliers of SS screws in Delhi, our products serve a wide variety of applications in several different industries, including electronics, furniture, and bus-body building.
Our selection of self-tapping and machine screws is extremely expansive; we have been identified as one of the best self-tapping screw producers in India by utilizing only the highest quality stainless steel wire to manufacture our screws, which allows them to cut their own threads into metal or wood without breaking or becoming stripped.
Our line of screws includes pan head, CSK head, and truss head screws and are engineered for flush finishing as well as maintaining long-term aesthetics in some of the higher-end architectural projects throughout Delhi.
In order to provide complete stability within mechanical systems, we additionally offer high-quality internal and external star washer options that work perfectly with our screw product line.
These locking washers, when used in conjunction with our SS screws in Delhi, will create the necessary anti-vibration fastening required for electrical panel and automotive dashboard applications.
All SS screws manufactured by us use A2 and A4 stainless steel; we offer the assurance that even the smallest fastener used in your project will not develop rust or degrade.
In addition to shipping bulk export orders, we also supply our local retail businesses and other manufacturers with our precision-engineered screws & other ss products, which represent true examples of manufacturing excellence in India.
Available Types:
- Self-tapping screws (pan head, countersunk, hex washer head)
- Machine screws (pan, CSK, round head Phillips and slotted)
- Hex head self-drilling screws (tek screws)
- Socket cap screws (Allen screws)
- Set screws (grub screws)
Sizes and Standards:
- Sizes: M3 to M20 | #6 to 3/4″ (inch)
- Standards: DIN 7981, DIN 965, DIN 912, ISO 1481
SS 304 vs SS 316 Fasteners
| Feature | SS 304 Fasteners | SS 316 Fasteners |
| Composition | 18% Chromium, 8% Nickel | 16% Cr, 10% Ni, 2% Molybdenum |
| Corrosion Resistance | Good for general industrial use | Excellent resists towards chlorides and process chemicals |
| Cost | Lower | Approx. 20–30% higher than 304 |
| Best for Delhi NCR | Construction, HVAC, data centres, fabrication | Pharma, chemical plants, food processing, clean rooms |
Applications across Delhi NCR's Key Sectors:
- Infrastructure and Metro Construction: Delhi Phase IV metro, RRTS corridors, and large-scale expressway projects require structural hex bolts and heavy hex nuts with proper documentation. Grade 304 covers most structural bolting. Critical joints in steel-concrete interface structures sometimes specify 316 for long-term corrosion resistance.
- Pharmaceutical and Electronics: Noida’s pharmaceutical manufacturing clusters operate under strict GMP standards. SS 316 fasteners with EN 10204 3.1 MTCs and lot traceability are standard requirements for process vessel assembly and pipeline connections. Electronics manufacturing units use SS 304 machine screws extensively.
- HVAC and Electrical Panel: Manufacturing Delhi’s fabrication clusters produce HVAC equipment, electrical panels, and control systems for projects across India. SS 304 self-tapping screws in pan head and hex washer head configurations move in high volumes from these units.
- Data Centres: NCR’s growing data centre belt in Noida, Manesar, Gurugram uses SS 304 socket cap screws, machine screws, and hex bolts for rack infrastructure, cable management, and floor systems. Consistent sizing and grade documentation are required by international operators running these facilities.
- Food Processing: Food processing units under FSSAI and export-oriented facilities specify SS 316 fasteners for equipment in direct or indirect food contact. Machine screws, hex bolts, and self-tapping variants in 316 are regularly sourced for this sector.
Why Delhi Buyers Source from Stainless Bolt Industries:
- EN 10204 3.1 Mill Test Certificates with every dispatch
- Stock ready on M10, M12, M16, M20, M24 in both 304 and 316
- Bulk dispatch capability with GST-compliant invoicing
- Custom lengths and thread forms (UNC, UNF) available on order
- Pan-India delivery with proper freight documentation
Technical Specifications
| Product | Grade 304 Standard | Grade 316 Standard |
|---|---|---|
| Hex Bolts | ASTM A193 B8 | ASTM A193 B8M |
| Hex Nuts | ASTM A194 Grade 8 | ASTM A194 Grade 8M |
| Screws | AISI 304 / DIN | AISI 316 / DIN |
Frequently Asked Questions
Yes. Hex bolts to ASTM A193 B8M (SS 316) and matching nuts to ASTM A194 8M are stocked and available with EN 10204 3.1 certificates. Lot traceability reports are available for pharma audits.
M6 to M100 in metric and 1/4″ to 4″ in inch. Common construction sizes: M12, M16, M20, M24, M30 are stocked. Non-standard lengths can be arranged on 2–4 weeks lead time.
Yes. Socket cap screws, machine screws, and hex bolts in SS 304 are standard for data centre applications. We can supply in pre-counted packs with product certificates for facility commissioning records.