Sankrail Industrial Park, Dhulagari, Howrah – 711302 info@hrsteel.com
RDSO · PGCIL · ISO 9001 · NABL Approved +91 98310 00031
HR H R STEELINDUSTRIES PVT. LTD.
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RDSO · PGCIL · ISO 9001:2015 · NABL Accredited

Where Precision Meets Performance, Bolted Together

Complete-range manufacturer of industrial fasteners — HSFG bolting assemblies, lock bolts & collars, axle cap screws, hex bolts, nuts and washers — engineered for India's railways, bridges, power grids and infrastructure since 1990.

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35+ years in fasteners 2 units · Sankrail, Howrah 2,500 MT HSFG / year
1990
Manufacturing since
17+
Certifications & approvals
03
Active RDSO registrations
NABL
In-house ISO 17025 lab
What We Manufacture

Our Products

A complete range of high-strength fasteners produced across cold and hot forging with integrated heat treatment and surface finishing.

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H R Steel manufacturing facility
About Us

Six decades of fastening expertise

H R Steel Industries Pvt. Ltd. has manufactured industrial fasteners from Sankrail Industrial Park, Howrah since 1990. We produce the complete range — HSFG bolting assemblies, lock bolts & collars, axle cap screws, hex bolts, nuts and washers — across cold forging (up to M30) and hot forging operations.

Quality is verified in our in-house Physical & Chemical Laboratory, accredited by NABL to ISO/IEC 17025:2017 and equipped with a 40-tonne & 100-tonne UTM, a German spectrometer, impact and hardness testers.

  • Imported multi-station forging machinery (San Shing, National, Sakamura)
  • Integrated heat treatment & in-house galvanizing / plating
  • RDSO, PGCIL, ISO 9001:2015 & NABL approvals
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How We Build Them

From raw steel to finished fastener

One integrated chain across our two units — every stage controlled in-house for quality and traceability.

1

Raw Material

Wire rod & bar, colour-coded by SAE grade

2

Forging

Cold & hot multi-station forging

3

Heat Treatment

Shaker hearth, mesh-belt & pit furnaces

4

Surface Coating

HDG · zinc plating · zinc phosphate

5

NABL Testing

ISO/IEC 17025 mechanical & chemical

6

Batch & Dispatch

Tagged & fully traceable to heat number

Why H R Steel

Built on trust & precision

Approved Vendor

RDSO, PGCIL, ISO 9001:2015 & NABL — independently audited quality.

Expert Manufacturing

Imported forging lines and in-house heat treatment and finishing.

On-Time Delivery

2,500 MT HSFG capacity per annum across two manufacturing units.

Long Lasting & Low Cost

Durable fasteners engineered for demanding infrastructure projects.

Trusted Across India's Infrastructure

Projects & Clients

Our fasteners go into railway bridges, freight stock, transmission lines and major EPC projects nationwide.

Indian Railways
RDSO-approved supplies
IRCON
Rail bridge projects
RVNL
Rail infrastructure
RITES
Inspection & projects
PGCIL
Transmission lines
EIL · L&T
EPC approvals
HR Steel consignment ready for dispatch
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Featured Project

Sivok–Rangpo New BG Railway Line

Approved source of HSFG bolting for the construction of civil & structural works of single-track rail bridges (Bridge Nos. 13–17) on the Sivok (West Bengal) – Rangpo (Sikkim) New Broad Gauge Railway Line Project, Package II — executed by IRCON International Ltd.

Other sectors served: railway bridges, ROB & FOB, freight-stock wagon components and power-transmission tower hardware.

What Our Customers Say

Client Endorsements

Performance letters from the companies and authorities we supply.

“
HR Steel has been a trusted supplier, consistently delivering top-quality fasteners — bolts, nuts, washers, shear studs and anti-climbing devices — without compromising on quality, even dispatching materials within 24 hours for urgent requirements. A preferred supplier for our company for the last 15 years.
TL
Rajesh KhetrapalAVP – SCM, Transrail Lighting Limited
View appreciation letter
“
Certified that M/s HR Steel Industries Pvt. Ltd., Howrah has supplied HSFG bolts, nuts, washers, DTI washers & shear studs for Eastern Railway bridge projects — including major composite, bow-string and open-web girder bridges.
ER
Sr. Section Engineer (Bridge)Eastern Railway — Construction, Howrah
View performance certificate

Need approved fasteners for your project?

From HSFG bridge bolting to transmission-tower hardware, our team will help you spec the right product, standard and finish.

Request a Quote Call Sales: +91 92309 98130