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    • Why the HLN Hardlock Nut Does Not Loosen
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News

  • Hardlock Industry, lead manufacturer of self-locking nuts
  • About Us
  • News
  • Notices

    • 2021 January 27th

      System Malfunction Notification

      Thank you for always supporting HARDLOCK.

      Today we discovered the presence of an error within our website’s Inquiry Form dating back to the 8th January.

      As a consequence of this issue our websites inquiry form features have not been functioning correctly for customers located outside of Japan. However please be assured, This error was investigated and has been resolved.

      To any customers who have made inquiries from our site and not yet received an e-mail confirmation, we ask that you please make the same inquiry again through our Website or use the email address below.
      h.office@hardlock.co.jp

      Any inquiries sent through our inquiry form service through the time period 8th to 27th January have been disrupted, meaning they have not been received by our Inquiry Response Team.

      We’re terribly sorry for the inconvenience but we ask that you retry any inquiries sent during this period.

      We would like to offer our most profound apologies for the immense disruption caused as a result of our inadequacy on this occasion. We appreciate your business and look forward to hearing from you again soon.

      Notices
    • 2018 April 25th

      We have renewed our website

      Welcome to Hardlock Industry’s new website. We hope the new design and improvements make browsing our website a better experience.

      Notices
    • 2017 December 8th

      ~Winter Holiday Announcement~

      Season Greetings and a HAPPY New Year from HARDLOCK Industry Co., Ltd!!

      HARDLOCK Industry will have winter holiday from 28th December to 7th January 2018.
      We will be back in office from 8th January.

      Best Wishes
      HARDLOCK Industry Co., Ltd.

      Notices
    • 2016 August 22nd

      We have added page for planned exhibition.

      You can get much information about the planned exhibitions.
      Please click here.

      Notices
    • Read more

  • Media Coverage

    • 2017 October 26th

      Interviewed with Fastener News at the 2017 International Fastener Expo in Las Vegas

      Our Swedish staff accepted interview at National Industrial Fastener and Mill Supply Expo.
      ⇒ click here

      Media Coverage
    • 2016 September 10th

      Our presidents, Wakabayashi Katsuhiko is introduced on NHK’s international broadcast “NHK WORLD” as the Edison of East Osaka.

      Date: September 13(Tue) 20:45~  / Japan time zone
      ※This TV program is the world simulcast.
      In the case of European standard during summer time now, it’s broadcast of 13:45.

      If you are not able to watch this program by TV, you can see it on time from below:
      http://www3.nhk.or.jp/nhkworld/en/live/.

      Media Coverage
    • 2016 July 1st

      We take part in promotional events for Higashi-osaka.

      On Jul.2nd we take part in the event in Tokyo.

      This site features Higashiosaka city.
      Our nuts are on display in venue.

      Media Coverage
    • 2016 June 9th

      Hardlock Nut was included in “SHAKAIKA SHIRYOU 2016″.

      Our Hardlock nut was included in “SHAKAIKA SHIRYOU 2016″ as one of the most valuable products to support the Shinkansen.
      BUNKEIDO.Co.,LTD publishes reference booklets for fifth grade elementary school students.

      20160609130541_00001-219x300

      Media Coverage
    • Read more

  • Projects

    • 2017 September 8th

      Hyundai Powertech visit our factory.

      Thank you for coming today.

      Projects
    • 2016 October 18th

      Minamata municipal Midori-higashi junior high school visit us

      Thank you for coming today.

      Projects
    • 2016 October 7th

      Okayama Prefecture Industrial Promotion Foundation party visit us.

      Thank you for coming today.

      Projects
    • 2016 September 29th

      KMA Group visits us.

      Korea Management Association (KMA) Group 22people come to our office.
      Thank you for today.

      Projects
    • Read more

  • Presentations

    • 2016 June 15th

      Gave the lecture that was hosted by Japan Inst. Of Invention and Innovation of Kansai Branch.

      On June.15th we took part in the lecture.
      We talked about the history of HARDLOCK NUT.

      Presentations
    • Read more

  • Exhibits

    • 2018 September 22nd

      ”Inno Trans2018”

      Date: 18 Sep (Tue) – 21 Sep (Fri),2018
      Venue: Messe Berlin, Germany
      Our booth: Hall 8.2, Stand NO.311

      イノトランス

      Thank you for coming our stand.!!

      Exhibits
    • 2018 June 4th

      ” 22nd MECHANICAL COMPONENTS&MATERIALS TECHNOLOGY EXPO “

      “22nd MECHANICAL COMPONENTS&MATERIALS TECHNOLOGY EXPO “

      Date: June 20(Wed) – 22(Fri),2018
      10:00-18:00 (close at 17:00 on Jun.22nd)

      Venue: Tokyo Big Sight, Japan
      Organised by Reed Exhibitions Japan Ltd.

      Our booth: Hall-West 4-26

      We are looking forward to seeing you.

      Exhibits
    • 2017 October 19th

      “National Industrial Fastener and Mill Supply Expo”

      National Industrial Fastener and Mill Supply Expo

      Dates: October 17-19, 2017
      Hours: 17 – Exhibits not open, convention only
      18 & 19 – 9:00 AM – 4:00 PM
      Location: Las Vegas Convention Center, Central Hall-C4 & C5, Las Vegas, USA
      Stand No.: 1815

      image006

      Thank you for visiting our booth.

      Exhibits
    • 2017 October 19th

      “KOREA 2017 METALWEEK”

      KOREA 2017 METAL WEEK

      Date: 24-27, Oct. 2017
      Hour: 10:00AM – 5:00PM
      Location: KINTEX, S.Korea
      Stand NO.: 7K105

      IMG_0386

      We joined with our korean agent staff. KOREA HARDLOCK Co., Ltd.
      Thank you for visiting our stand.

      Exhibits
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  • Awards and Certifications

    • 2017 September 4th

      The United Kingdom railway infrastructure management company, Network Rail, revise the Certificate of Acceptance and additionally approves HARDLOCK Nut usage for Fish Plate application (certification number: PA05 / 02077)

      Awards and Certifications
    • 2016 April 18th

      President Wakabayashi received a special invitation to the Imperial Family Memorial Award Ceremony.

      Awards and Certifications
    • 2015 November 3rd

      President Wakabayashi was awarded the Imperial Family Culture Award.

      Awards and Certifications
    • 2015 June 27th

      President Wakabayashi was awarded the 2015 “COOL JAPAN” Award.

      Awards and Certifications
    • Read more

  • Product Developments

    • 2018 January 1st

      This category has no posts yet

      Product Developments
    • Read more

  • Products

    • HLN Hardlock Nut
    • HLB Hardlock Bearing Nut
    • HLS Hardlock Set Screw
    • Warning about Imitation Products
  • Technical Information

    • Why Do Fasteners Become Loose?
    • Why the Hardlock Nut Does Not Loosen
    • Testing Apparatus
    • Test Data
    • Articles, Technical Papers
  • Applications

  • About Us

    • Company Outline
    • Corporate Vision
    • Quality Initiatives
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    • History
    • News
    • Contact us
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    • Product brochure downloads
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