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News & blogs

Notes from the forge.

Technical notes on fasteners and cold forging, and news from REL.

Engineering notes

Technical articles

Short, practical notes from the forge — standards, steels, finishes and how parts are made.

Technical · 4 min readDIN 6923 vs ISO 4161: hex flange nuts comparedThe same nut on two different drawings? Mostly — but check the property class, the bearing face and the size range before you swap one standard for the other. Technical · 5 min readHow cold forging works — from a wire slug to a finished partNo melting, no machining chips: cold forging pushes steel into shape at room temperature, blow by blow, in a few tenths of a second. Technical · 4 min readWhy boron steel is used for wheel fastenersA few parts per million of boron let a low-carbon steel harden like a much richer alloy — and that is exactly what a wheel nut or wheel bolt needs. Technical · 5 min readNut locking types compared: nylon insert, all-metal, flange and moreVibration loosens joints. Here is how the common locking methods work — and where each one fits. Technical · 4 min readCHQ wire grades: choosing steel for cold headingThe grade of wire decides how easily a part forms and how strong it can become. A short guide to the common families. Technical · 5 min readFastener surface finishes comparedZinc, zinc-flake, phosphate, nickel: each finish changes corrosion resistance, appearance — and the friction in the thread. Technical · 4 min readRubber-to-metal bonding: why the insert surface decides the bondAn NVH bush is only as good as the bond between rubber and steel. That bond starts with the inner metal — its shape, its steel and its surface.

Since 1991

Company news

Milestones, certifications, expansions and exports — dated by year from REL’s own records.

  1. 2024
    Expansion

    In-house plating plant

    Nickel and nickel-chrome plating brought in-house, with an effluent treatment plant and double fume extraction.

  2. 2023
    Expansion

    2,00,000 sq ft for packing and warehousing

    Built-up space acquired for packing, warehousing and container loading.

  3. 2022
    Certification

    ISO 14001 and ISO 45001

    Environment and occupational health & safety management systems certified.

  4. 2021
    Quality

    In-house laboratory

    A full laboratory inside the plant — chemistry, mechanical testing, metallurgy and dimensional inspection on the same batch, the same day.

  5. 2020
    Expansion

    New cold forging unit

    A new cold forging unit was inaugurated to add forging capacity.

  6. 2019
    Exports

    Exports begin

    First exports to Europe and North America. Today REL ships direct containers to six markets.

  7. 2018
    Certification

    ISO 9001 and IATF 16949

    Quality management certified for automotive supply; 3 acres acquired for expansion.

  8. 2017
    Milestone

    Cold forging under REL

    Fastener manufacturing starts on REL’s own wire.

  9. 2016
    Milestone

    2,000 MT a month

    CHQ wire output reaches 2,000 MT per month.

  10. 2015
    Milestone

    Cold forged nuts

    A subsidiary is set up to manufacture cold forged nuts.

  11. 2012
    Machines

    Bell annealing furnaces

    Spheroidise annealing brought fully in-house.

  12. 2010
    Milestone

    CHQ wire plant

    Cold heading quality wire for fastener makers.

  13. 1991
    History

    REL is founded

    REL begins as a manufacturer of welding electrodes.

Community

CSR, all year round

Ongoing programmes run by REL and its people.

Blood donation drives

Regular camps in partnership with local hospitals.

Tree plantation drives

Greening our surroundings in and around our industrial zones.

Vaccination camps

On-site drives for employees, families and nearby residents.

Sports and welfare

Cricket tournaments and welfare activities for our people.