Loosening Stopping Nuts

HL® Actual Use Examples

The Hard Lock nut is

indispensible in supporting the safety of society through its widespread use in railways, expressways, bridges, construction projects, civil engineering works, steel pylons, automobiles, transportation equipment, shipbuilding, nuclear power plants, dam facilities, steelworks, pressing machines, crushers, production facilities for major industries, and many other applications.

HLB® Actual Use Examples

The HLB

also plays an extremely versatile role in supporting the safety of society through its widespread use in power gears, machine tools, main axis bearing stoppers, drive section bearing stoppers, welding robots, indices, concrete pump mixer trucks, speed reduction equipment, gears, multi-purpose pumps, clutch breaks, large dump trucks, fork lift trucks, balancers, elevated operating cars, piston pumps, lifters, milling machines, amusement equipment, etc.

HARD LOCK INDUSTRY CO.,LTD HISTORY
April 1974	Established as Hard Lock Co. in Nagata, Joto-ku, Osaka and began manufacturing and sales of the Hard Lock nut
March 1977	Company name changed to Hard Lock Co., Ltd. (Capitalized at ¥ 4 million)
June 1977	Higashi-Osaka Factory established
March 1979	Began manufacturing and sales of the HLB (Hard Lock Bearing) bearing-use loosening stopping nut
October 1982	Tokyo Branch Office established at Ueno, Taito-ku, Tokyo
June 1985	Began cold forging beginning with small-diameter sized products
June 1985	Capital increased to ¥ 16 million)
August 1990	Head Office and Head Office Factory moved to present location
January 1992	Began running commercials Asahi Television and other TV and radio stations
May 1996	Head Office No.3 Factory began operation
April 1997	Tokyo Branch Office moved to present location
September 1997	Listed in Daikyoso Jidai ni Hiraku ("Forging Ahead in the Era of Big Competition"), published by Nihon Kogyo Shimbun Co.
January 1998	Began advertising in the station precincts of JR and private railway companies
January 1998	Received the R&D Award at the 15th Annual Excellent Executive Awards sponsored by Nikkan Kogyo Shimbun Co.
March 1998	Listed in Kansai no Yuryo Kiki Meika 100 Sha ("100 Excellent Machine manufacturers in Kansai"), published by Nikkan Kogyo Shimbun Co.
June 1999	Began manufacturing a new product SLN (Space Lock Nut) and began partial sales of this product to specified customers
April 2000	Began manufacturing new products HLS (Hard Lock Set screw) and HL-P (Hard Lock Pin lock bolt) and began partial sales of these products to specified customers
October 2000	Opened corporate homepage (Japanese language and English language versions)
October 2000	Head Office No.4 Factory began operation
December 2000	Trading Department established
March 2001	Obtained ISO9002 certification from TUV
November 2001	Set up a booth at the WCRR (World Congress on Railway Research) held at the Cologne Messe, Germany
November 2001	Appeared on NHK Osaka's new office building completion ceremonial program Itsutsu no Sentaku ("Five Choices")
December 2001	Welcomed Japan observation party from Eastern Europe on tour of our factories
March 2002	Appeared in the Higashi-Osaka special edition of TBS TV program Broadcaster
May 2002	Began manufacturing a new product SLB (Space Lock Bearing nut) and began partial sales of this product to specified customers
January 2003	Hard Lock Nut selected as a good design product in a first for a product in this field
January 2003	Received Special Encouragement Award at the 36th Annual Small and Medium-Scale Enterprise Research Center Awards sponsored by the Small and Medium-Scale Enterprise Research Center
March 2003	Began dispatch of the Hard Lock for use by the Taiwan High-Speed Railway as a versatile fastening device

HARD LOCK INDUSTRY CO.,LTD