# Hosur manufacturing cluster: auto parts, forgings, electronics > Hosur, Tamil Nadu, is known for auto components, two-wheelers, EV and electronics. Processes, ports and nearby clusters, mapped by SourceSquid. Source: https://sourcesquid.co/india-atlas/clusters/hosur/ Major cluster · Tamil Nadu # Hosur. Auto components, two-wheelers and EV. Hosur, in Tamil Nadu, is a major national manufacturing cluster for auto parts, forgings and electronics. Buyers come here for auto components, two-wheelers, EV and electronics. [Get a free teardown](https://sourcesquid.co/start/?cluster=hosur) [All Tamil Nadu clusters](https://sourcesquid.co/india-atlas/states/tamil-nadu/) Named shortlist from USD 390 270 km to Chennai seaport Tamil on the factory floor Home base our Bengaluru office is here Locator · **Hosur** 12.74° N, 77.83° E * __Hosur * __Nearby clusters * __Seaport * __Inland depot (ICD) Nearest seaport Chennai · 270 km Nearest ICD ICD Whitefield · 30 km At a glance ## Hosur, the short version. What the cluster makes, who works there, and how goods leave. Distances are straight-line from the city centre. Known for Auto components, two-wheelers, EV and electronics Processes [Auto & EV components](https://sourcesquid.co/india-atlas/processes/auto-and-ev-components/), [Forging](https://sourcesquid.co/india-atlas/processes/forging/), [Electronics & assembly](https://sourcesquid.co/india-atlas/processes/electronics-and-assembly/) State [Tamil Nadu](https://sourcesquid.co/india-atlas/states/tamil-nadu/)One of 11 clusters mapped in Tamil Nadu Languages TamilOur team speaks Tamil Scale Major clusterA major national manufacturing cluster Nearest seaport Chennai, 270 kmChennai, Tamil Nadu Nearest ICD ICD Whitefield, 30 kmInland container depot for customs clearance and rail to port State ports Chennai, Kattupalli, Kamarajar (Ennore), V.O. Chidambaranar (Tuticorin) and ICD Tiruppur From Bengaluru Our Bengaluru office is hereSourceSquid's India office Processes ## What Hosur does best. 3 process families, each with its own page of methods, materials and buying tips. [Process family**Auto & EV components**Precision machining of shafts and gears · Closed-die forging · Aluminium pressure die casting · Sheet-metal stamping and welding](https://sourcesquid.co/india-atlas/processes/auto-and-ev-components/)[Process family**Forging** Closed-die (impression-die) forging · Open-die forging · Hot upset forging · Cold forging and heading](https://sourcesquid.co/india-atlas/processes/forging/)[Process family**Electronics & assembly**SMT assembly · Through-hole and wave soldering · Selective soldering · AOI and X-ray inspection](https://sourcesquid.co/india-atlas/processes/electronics-and-assembly/) ### Materials worked in Hosur * [Carbon and alloy steel](https://sourcesquid.co/india-atlas/materials/carbon-steel/) * [Aluminium](https://sourcesquid.co/india-atlas/materials/aluminium/) Product families ## Made in Hosur, step by step. Open a product to see its process chain. Each links to the full guide with QA tests, HS heading and lead times. **Tube bending & TIG-welded frames**6 steps · Samples 4–6 weeks including fixtures 1. **Tube sourcing** · ERW or seamless, steel, stainless or aluminium 2. **CNC bending** · Mandrel bending to CLR on multi-stack benders 3. **End forming & notching** · Flaring, swaging and laser notching 4. **Jig welding** · TIG on fixtures for repeatable geometry 5. **Finish** · Powder coat, chrome or passivation 6. **Check fixture inspection** · Go/no-go fixture plus CMM on first articles [Full guide to tube bending & tig-welded frames →](https://sourcesquid.co/india-atlas/products/tube-bending-welded-frames/) **Electronics & PCB assemblies**6 steps · Prototypes 3–5 weeks 1. **DFM & BOM check** · Component availability and alternates 2. **SMT** · Paste print, pick-and-place, reflow 3. **THT & wave** · Through-hole parts and selective soldering 4. **AOI & X-ray** · Automated optical and BGA inspection 5. **Functional test** · Test jig built to your procedure 6. **Conformal coat & box build** · Coating, enclosure and final pack [Full guide to electronics & pcb assemblies →](https://sourcesquid.co/india-atlas/products/electronics-pcb-assemblies/) **Closed-die forgings and flanges** 7 steps · Dies and samples 5–8 weeks 1. **Billet cutting** · Certified bar cut to weight by shear or bandsaw 2. **Induction heating** · Billet heated to forging temperature 3. **Closed-die forging** · Hammer or press forging through preform and finish impressions 4. **Trimming & piercing** · Flash trimmed and holes pierced in a press 5. **Heat treatment** · Normalising, or hardening and tempering, to specification 6. **Shot blasting & machining** · Scale removed; faces, bores and threads machined 7. **Inspection** · Hardness, MPI or UT, dimensional report [Full guide to closed-die forgings and flanges →](https://sourcesquid.co/india-atlas/products/closed-die-forgings-flanges/) **Machined auto components** 7 steps · Samples 4–8 weeks 1. **Material** · Bar, forging or casting with mill certificate 2. **CNC turning** · Multi-spindle and CNC lathes 3. **Milling & drilling** · VMC or HMC operations 4. **Heat treatment** · Induction hardening or case carburising 5. **Grinding** · Bearing seats and critical diameters ground 6. **Inspection & PPAP** · CMM, SPC data and PPAP submission 7. **Rust-proof packing** · VCI packing in returnable trays [Full guide to machined auto components →](https://sourcesquid.co/india-atlas/products/machined-auto-components/) **Wire harnesses and cables** 6 steps · Samples 2–4 weeks 1. **Wire & terminal sourcing** · Wire, terminals and connectors to the BOM 2. **Cut, strip & crimp** · Automatic cut-strip-crimp machines 3. **Crimp validation** · Pull-force and cross-section checks 4. **Layout on board** · Harness routed on a full-size assembly board 5. **Taping & sleeving** · Tape, conduit, grommets and labels 6. **Electrical test** · Continuity and hipot test on every harness [Full guide to wire harnesses and cables →](https://sourcesquid.co/india-atlas/products/wire-harnesses-cables/) **Aluminium and zinc die castings** 7 steps · Die and samples 6–8 weeks 1. **Die design & build** · H13 steel die with cooling and ejection 2. **Melting** · Aluminium (ADC12, A380) or zinc (Zamak 3, Zamak 5) alloy 3. **High-pressure die casting** · Cold-chamber machines for aluminium, hot-chamber for zinc 4. **Trimming & deburring** · Runners, overflows and flash removed 5. **Machining** · Threads, bores and sealing faces 6. **Finishing** · Powder coating, e-coating or plating 7. **Inspection** · X-ray for porosity, dimensions, leak test if needed [Full guide to aluminium and zinc die castings →](https://sourcesquid.co/india-atlas/products/aluminium-zinc-die-castings/) Within 250 km ## Clusters close to Hosur. Useful when one trip should cover several suppliers, or when a part needs a process Hosur does not run. [ 50 km away Major cluster **Bengaluru – Peenya** Machine tools, aerospace precision, electronics, garments, aluminium extrusions Machining & precisionElectronics & assemblyGarments & cut-make-trim+1 ](https://sourcesquid.co/india-atlas/clusters/bengaluru/)[ 70 km away Specialist cluster **Channapatna** Lacquered wooden toys Wood, cane & furnitureSports goods & toys ](https://sourcesquid.co/india-atlas/clusters/channapatna/)[ 100 km away Major cluster **Ambur – Vaniyambadi – Ranipet** Finished leather, shoes & shoe uppers Leather & footwear ](https://sourcesquid.co/india-atlas/clusters/ambur/)[ 130 km away Established cluster **Salem** Silver anklets, handloom, sago Gems & jewelleryWeaving & handloomFood, spices & agri ](https://sourcesquid.co/india-atlas/clusters/salem/)[ 140 km away Established cluster **Mysuru** Silk, incense sticks, sandalwood Weaving & handloomChemicals & pharma ](https://sourcesquid.co/india-atlas/clusters/mysuru/)[ 160 km away Established cluster **Erode** Handloom & powerloom, turmeric Weaving & handloomFood, spices & agri ](https://sourcesquid.co/india-atlas/clusters/erode/) Geographical Indications ## Tamil Nadu's GI products. 71 registered GI products come from Tamil Nadu, with 16 more applications pending. A few of them: [See all 71 in Tamil Nadu](https://sourcesquid.co/india-atlas/states/tamil-nadu/#gi) * [Alleppey Green Cardamom Tea, coffee & spices](https://sourcesquid.co/india-atlas/gi/tea-coffee-and-spices/#tamil-nadu) * [Ambasamudram Choppu Saman (Wooden Toys) Toys & dolls](https://sourcesquid.co/india-atlas/gi/toys-and-dolls/#tamil-nadu) * [Arani Silk Handloom sarees & fabrics](https://sourcesquid.co/india-atlas/gi/handloom-sarees-and-fabrics/#tamil-nadu) * [Arumbavur Wood Carving Wood & furniture](https://sourcesquid.co/india-atlas/gi/wood-and-furniture/#tamil-nadu) * [Bhavani Jamakkalam Carpets, rugs & mats](https://sourcesquid.co/india-atlas/gi/carpets-rugs-and-mats/#tamil-nadu) * [Chedibutta Saree Handloom sarees & fabrics](https://sourcesquid.co/india-atlas/gi/handloom-sarees-and-fabrics/#tamil-nadu) * [Chettinad Kottan Wood & furniture](https://sourcesquid.co/india-atlas/gi/wood-and-furniture/#tamil-nadu) * [Coimbatore Wet Grinder Tools & manufactured goods](https://sourcesquid.co/india-atlas/gi/tools-and-manufactured-goods/#tamil-nadu) * [Dindigul Locks Tools & manufactured goods](https://sourcesquid.co/india-atlas/gi/tools-and-manufactured-goods/#tamil-nadu) * [East India Leather Leather & footwear](https://sourcesquid.co/india-atlas/gi/leather-and-footwear/#tamil-nadu) How SourceSquid covers Hosur ## Your team in Hosur. Our Bengaluru team covers Hosur in person: factory search, audits, samples and inspections. This is what working with us there looks like. * **Factory search on the ground** Our Bengaluru team visits Hosur to screen factories in person, then shares a named shortlist with the evidence behind it. * **Audits before you commit** On-site audits of the strongest Hosur candidates, scored on capability, quality systems and capacity. * **Samples to golden sample** First articles measured against your drawing, then a signed golden sample that every lot is checked against. * **Inspections on every lot** In-line and pre-shipment inspections in Hosur to your AQL, with photo and measurement reports. * **We speak Tamil** The language of Hosur's factory floors, so questions get answered at the machine, not after a week of email. * **Shipping via Chennai** We plan the route to Chennai or ICD Whitefield, and check export documents before the truck leaves. Hosur questions ## Straight answers. Anything else, ask us directly. A principal replies, not a bot. [anirudh@sourcesquid.co](mailto:anirudh@sourcesquid.co) ### What is Hosur known for manufacturing? Hosur is known for auto components, two-wheelers, EV and electronics. It is a major national manufacturing cluster in Tamil Nadu, and its main product groups are auto parts, forgings and electronics. ### Which port is nearest to Hosur? The nearest seaport is Chennai, about 270 km away in a straight line. The nearest inland container depot is ICD Whitefield, about 30 km away. Exporters in Tamil Nadu commonly ship through Chennai, Kattupalli, Kamarajar (Ennore), V.O. Chidambaranar (Tuticorin) and ICD Tiruppur. ### How do I find good manufacturers in Hosur? Send SourceSquid a short brief with a drawing, photo or sample. We return a named shortlist of Hosur manufacturers screened on evidence, then audit the strongest on site before you place an order. Start here ## Get a named shortlist of Hosur manufacturers. Send one drawing, photo or quote. We return how it is made, the right factories in the cluster and a realistic target price. [Get a free teardown](https://sourcesquid.co/start/?cluster=hosur)[Talk to a principal](https://sourcesquid.co/contact/) Named shortlist from USD 390