What Sundram Fasteners Limited does

Sundram Fasteners Limited is an India-headquartered, publicly listed precision components manufacturer (NSE: SUNDRMFAST) founded in 1966 and part of the TVS Group, with promoter TVS Sundram Fasteners Private Limited. The company designs and manufactures critical high-tensile fasteners, cold-extruded and hot-forged parts, powder metallurgy components, powertrain components, pumps and assemblies, radiator caps, and iron powders via water atomization. Production spans eight core product lines serving automotive OEMs, automotive aftermarket, wind energy, aerospace and aviation, railways, defence, and infrastructure customers globally. Operations are conducted through wholly-owned subsidiaries in India, China (Zhejiang), the United Kingdom (Cramlington Precision Forge), the United States, Germany, Italy, France, and Brazil, supporting both domestic and export demand.

The business operates as a B2B precision manufacturer with enterprise sales motion targeting global automotive OEMs and tier-1 suppliers directly. Revenue is generated through negotiated component supply contracts under one-time-purchase and program-based agreements (no consumer pricing disclosed). FY26 consolidated total income reached ₹6,368.25 crore, the first time revenue crossed the ₹6,000 crore mark, with EBITDA of ₹1,075.33 crore and net profit of ₹592.85 crore. Operating margins expanded to 17.0% in Q4 FY26 from 15.6% in the prior comparable period, reflecting cost control and operating leverage. The company has been recognized as General Motors' Supplier of the Year in 2019, 2020, and 2023, and holds IATF 16949 quality certification. Headquartered in Chennai with manufacturing facilities across India (including Sri City, which commenced commercial production in January 2020), the company is led by Managing Director Arathi Krishna and Chairman Suresh Krishna, with a strategic focus on growing non-automotive segment share from 35% to 50% and targeting 15-20% export growth in FY27 via a ₹350-400 crore annual capex programme.

Name

Sundram Fasteners Limited

Legal name

Sundram Fasteners Limited

Website

https://sundram.com

Company type

Public

Founded year

1966

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Sundram Fasteners Limited is an India-headquartered precision manufacturer of high-tensile fasteners, powertrain components, powder metallurgy, pumps, and iron powder for global automotive OEMs and industrial customers across eight countries.

Ownership category

akta.pro rank

Product category

Automotive Components Manufacturing

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722), Fastener, Button, Needle, and Pin Manufacturing (339993)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Screw Machine Products (3451)

akta.pro primary industry

Aerospace Fasteners & Hardware (IMABANAA)

akta.pro secondary industries

Automotive Roof Systems & Convertible Top Components Manufacturing (Panoramic Roof Modules/Soft Tops) (IMACAKAK), Aftermarket Exhaust & Emissions Components Manufacturing (Mufflers/Catalysts/DPF/EGR) (IMACANAE)

Keywords

• Precision fasteners manufacturing
• Automotive components supplier
• Powder metallurgy parts
• Cold extrusion components
• Powertrain assemblies manufacturing

Headquarters

HQ city

Chennai

HQ country

India

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Auto Components Manufacturing & Sales: Manufactures and sells high-precision automotive components including fasteners, powertrain components, sintered metal products, iron powder, cold extruded parts, radiator caps, water pumps, oil pumps, and wind energy components to OEMs and aftermarket customers globally.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Sundram Fasteners Limited manufactures and sells high-precision automotive and industrial components across eight product lines: high tensile fasteners, cold extruded parts, hot forged parts, powder metallurgy components, pumps and assemblies, radiator caps, powertrain components, and iron powder. The company supplies these components to automotive OEMs and aftermarket customers globally, serving automotive, wind energy, aerospace, defence, railways, and infrastructure sectors through manufacturing operations in India, China, Germany, the USA, the UK, Italy, France, and Brazil.

Product overview

Sundram Fasteners Limited is a manufacturer of critical, high precision components for automotive, infrastructure, windmill and aviation sectors. The company's product portfolio comprises eight core product lines: High Tensile Fasteners (precision fasteners for automotive, wind energy, aviation, and infrastructure applications), Cold Extrusion Components (cold extruded and precision forged parts for two-wheelers and vehicles), Hot Forged Parts (automotive components including gears, hubs, and connecting rods), Powertrain Components (shaft and gear assemblies for automobile manufacturers), Pumps & Assemblies (water pumps, oil pumps, and fuel pumps for various vehicle types), Radiator Caps (metal and nylon caps for cooling systems), Powder Metallurgy Parts (sintered metal components for automotive applications), and Iron Powder (water atomized iron powders for manufacturing and welding). The company serves OEM and aftermarket customers across India, China, Germany, USA, UK, Italy, France, and Brazil.

Differentiator

Problem solved

Functional benefit

Products and services

• High Tensile Fasteners Precision-engineered high-tensile fasteners serving automotive, wind energy, aviation, aerospace, farm equipment, and infrastructure sectors, including wind energy fasteners, chassis fasteners, engine fasteners, and aerospace/aviation fasteners.
• Cold Extrusion Components Cold extruded and precision forged parts used in two-wheelers, front wheel drive vehicles, and internal combustion engines, including gear blanks, transmission shafts, cams, starter sleeves and pinions, CV joint parts, and fan hubs.
• Hot Forged Parts Key automotive components including bevel gear and pinion family, hub and Gen 3 bearing hub rings, RWD clutch hub, crankshaft sprocket, stainless steel turbocharger parts, and connecting rods.
• Powertrain Components Manufactured and supplied powertrain components to leading automobile companies worldwide, including turbine shafts, output shafts, clutch hub, sungear shafts, crankshaft sprockets, and slip yoke.
• Pumps & Assemblies Pumps and assemblies for passenger cars, heavy and light commercial vehicles, off-road vehicles, tractors, combines, harvesters, forklifts, marine engines, power generation engines, and two-wheelers, including water pumps, oil pumps, mechanical fuel feed pumps, manual and auto belt tensioners, rocker assemblies, suspension and precision parts, fan support, and camshafts.
• Radiator Caps Metal and nylon radiator caps including regular OEM style caps, mini and micro style caps, large diameter caps, Safe T vent lever style caps, sombrero ratcheting caps, and dual O-ring caps.
• Powder Metallurgy Parts Powder metallurgy parts including rotors and gears, synchroniser hubs, shock absorber components, valve train components, bushes, and structural parts.
• Iron Powder Iron powders manufactured by water atomization technology for press and sinter applications, including plain iron powders, diffusion bonded powders, pre-alloyed powders, press ready mixes, and welding application powders.

Quantifiable outcome

• Revenue crossed ₹6,000 crore milestone for first time in FY26
• +3 more outcomes

Named customers1 record

Segments7 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators11 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Bharat Forge: India's largest auto component manufacturer with similar diversification into industrial, aerospace, and defence segments from a forged-components base. Directly comparable business model of supplying precision components to global OEMs with growing non-auto mix.
• Endurance Technologies: Indian auto component manufacturer focused on aluminium die-castings, suspension, transmission, and braking components for two-wheelers and passenger vehicles. Comparable product portfolio in drivetrain and chassis components with similar OEM customer base.
• Varroc Engineering: Indian auto component manufacturer supplying lighting, powertrain, and plastic exterior components to global OEMs including two-wheeler and passenger vehicle manufacturers. Comparable Tier-1 supplier profile with global manufacturing footprint.
• LISI Group: French global manufacturer of fasteners, aerostructure components, and assembly solutions serving aerospace and automotive markets. Direct comparable on aerospace fastener business and high-precision automotive fasteners.
• Pricol Limited: Indian auto component manufacturer producing instrument clusters, sensors, pumps, and automotive assemblies for two-wheelers, passenger vehicles, and commercial vehicles. Comparable product portfolio in pumps and automotive assemblies serving similar Indian OEM customer base.
• Suprajit Engineering: Indian auto component manufacturer specialising in cables and fasteners, with growing exposure to non-auto segments. Direct overlap on fastener manufacturing and similar Indian supplier base serving global OEMs.
• Bosch India (Robert Bosch India): Subsidiary of global automotive supplier Bosch, manufacturing fuel injection systems, automotive components, and powertrain solutions for Indian OEMs. Comparable as a Tier-1 automotive components supplier serving similar OEM customer base with diversified product lines.
• Samvardhana Motherson International (Motherson Sumi Systems): Major Indian auto component manufacturer with extensive global manufacturing footprint supplying wiring harnesses, polymer modules, and precision components to global OEMs. Closely comparable for global tier-1 supplier model and customer overlap.

Broad incumbents

• Illinois Tool Works (ITW): Global diversified industrial manufacturer with significant fastener and automotive components segments, including high-tensile fasteners and precision engineered components. Comparable core fastener manufacturing technology with broader industrial portfolio.

Regional players

• Bulten AB: Swedish-based manufacturer of high-tensile fasteners serving the European automotive industry with focus on sustainability and premium quality. Comparable in fastener manufacturing technology and premium OEM customer base, though primarily European focused.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries11 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A4 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sundram Fasteners Limited