Fastener

Manufacturer, Supplier & Exporter of Fastener

Riddhi Siddhi Impex is a preeminent manufacturer and supplier of high-quality fasteners across India. We offer an extensive range of fasteners—including bolts, nuts, screws, studs, washers, anchor fasteners, rivets, and specialty items—in various materials like Stainless Steel, Carbon Steel, Alloy Steel, Duplex/Super Duplex, Inconel, Monel, and Titanium. All products are manufactured in compliance with international standards (such as ASTM, ASME, DIN, EN, and JIS), ensuring precision threading, high tensile strength, and consistent corrosion resistance suitable for industries like automotive, petrochemical, construction, shipbuilding, power generation, and general engineering.

As a trusted Fastener Domastic supplier, Riddhi Siddhi Impex maintains robust supply chains to cater to demand in every corner of India. We routinely supply Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, and Amritsar with fasteners that meet exacting tolerances and quality standards. Whether it’s timer-critical replacement bolts for power plants or large-scale orders for infrastructure projects, we ensure swift delivery and dependable stock levels so our clients stay operational without delay.

Our coverage extends deep into India’s industrial towns and emerging markets, serving regions such as Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Navsari, Valsad, Rajpipla, and Narmada. These customers rely on our superior-quality fasteners for manufacturing, maintenance, and repair work. Being a specialized FastenerDomastic supplier, we understand the needs of both OEMs and local workshops—offering fasteners in both standard and customized finishes like galvanized, PTFE-coated, black oxide, and matched tensile grades for specific load-bearing requirements.

Riddhi Siddhi Impex also serves clients in Gujarat’s fast-developing industrial belts—such as Ankleshwar, Dahej, Vadodara, and surrounding areas—with project-oriented service. We supply specialty fasteners like structural bolts (e.g., HSFG), anchor bolts, stud bolts, and flange fasteners in classes ranging from Grade 4.6 up to Grade 10.9 and A193/A320 standards. Our positioning as a dependable Fastener Domastic supplier ensures that chemical plants, refineries, and manufacturing units in these zones receive tailored fastener kits and assemblies with documentation and batch traceability for safe and simple installation.

Quality assurance is non-negotiable at Riddhi Siddhi Impex. Every fastener batch undergoes rigorous testing—mechanical (tensile, hardness), chemical (PMI), and dimensional (thread gauge, pitch). We provide full documentation including Material Test Certificates (MTC), third-party inspection reports, and certifications like ISO 9001, making us the preferred Fastener Domastic supplier for industries that demand both performance and compliance across India.

Specifications of Fasteners

Product Range	Bolts, Nuts, Screws, Washers, Studs, Threaded Rods, Anchor Fasteners, Rivets, Special Fasteners
Standards	ASTM, ASME, DIN, BS, IS, JIS, ISO
Grades	Stainless Steel (304, 316, 310, 321), Alloy Steel, Carbon Steel, Duplex, Super Duplex, Monel, Inconel, Hastelloy, Titanium
Sizes	M3 to M100 | 3/16” to 4” (Custom sizes on request)
Coatings	Zinc Plated, Hot Dip Galvanized, PTFE, Black Oxide, Dacromet, Nickel Coated

Chemical Composition (Stainless Steel Fasteners)

Grade	C%	Mn%	Si%	P%	S%	Cr%	Ni%	Mo%
SS 304	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	18.0–20.0	8.0–11.0	-
SS 316	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	16.0–18.0	10.0–14.0	2.0–3.0

Mechanical Properties of Fasteners

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HRB)
SS 304	515 min	205 min	40 min	92 max
SS 316	515 min	205 min	40 min	95 max

Dimension Range for Fasteners

Fastener Type	Diameter Range	Length Range	Standards
Hex Bolts / Screws	M3 – M64	6 mm – 500 mm	DIN 933 / ISO 4014
Stud Bolts	M6 – M100	20 mm – 3000 mm	ASTM A193 / DIN 976
Nuts	M3 – M100	Standard Thread Pitch	DIN 934 / ISO 4032
Washers	M3 – M72	As per DIN standards	DIN 125 / ISO 7089
Anchor Fasteners	M6 – M24	40 mm – 300 mm	IS 1367 / DIN 529