Loosening Stopping Nuts

Applications of the HL®

The Hard Lock® Nut protects the public in such applications as

railroads, expressways, bridges, buildings, civil engineering projects, steel towers, railway cars, transportation machines, shipbuilding, atomic power plants, dams, steel-making machinery, metal presses, rock crushers, and other production equipment in major industries

Applications of the HLB®

The Hard Lock® Nut protects the public in such applications as

operational gears, machine tools, bearings for main shafts, bearings for drive components, welding robots, indices, concrete pump trucks, reduction gears, transmissions, general-purpose pumps, clutch brakes, large dump trucks, forklifts, balancers, aerial vehicles, service trucks [NOTE: Cannot find a word specifically meaning a truck with a ladder. "Ladder truck" refers to fire engines with ladders], piston pumps, lifts, crushers, amusement equipment and more

A Timeline of Hard Lock Industry
April 1974	Established as Hard Lock Industry in Nagata, Joto-ku, Osaka. Began manufacture and sales of the Hard Lock Nut.
March 1977	Company name changed to Hard Lock Industry Co., Ltd. Capitalized with 4 million yen.
June 1977	Higashi Osaka factory constructed.
March 1979	Manufacture and sales begun of the HLB or Hard Lock Bearing Nut.
October 1982	Tokyo Branch Office established in Ueno, Taito-ku.
June 1985	Cold forging implemented initially with small-diameter products.
June 1985	Capital increased to 16 million yen.
August 1990	Head office and main factory moved to present locations.
January 1992	Television and radio publicity campaign begins on Asahi and other networks.
May 1996	Head office factory number 3 begins 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.
January 1998	Advertising campaign begins in railway and subway stations.
January 1998	Received the Research and Development Award at the 15th Outstanding Administrator Award Ceremony sponsored by Nikkan Kogyo Shimbun.
March 1998	Listed in “Kansai-no Sairyo Kikai Meika 100-sha” (“The 100 Top Machinery Manufacturers in Kansai”), published by Nikkan Kogyo Shimbun.
June 1999	Manufacturing of the new SLN (Space Lock Nut) begins, with sales to selected clients.
April 2000	Manufacturing of the new HLS (Hard Lock Set Screw) and HL-P (Hard Lock Pin Lock Bolt) begins, with sales to selected clients.
October 2000	Created online presence with Web site in Japanese and English.
October 2000	Head office factory number 4 begins operation.
December 2000	Trading Department established.
March 2001	Received ISO 9002 certification from a TÜV.
November 2001	Booth at the WCRR (World Congress on Railway Research) at the Koelnmesse in Germany.
November 2001	Appeared on NHK’s program “Itsutsu-no Sentaku” (“Five Choices”) commemorating the completion of new office buildings.
December 2001	Eastern European delegation take an observation tour of Hard Lock’s.
March 2002	Appeared on an edition of TBS program “Broadcaster” featuring Higashi Osaka.
May 2002	Manufacturing of the new SLB (Space Lock Bearing Nut) begins, with sales to selected clients.
January 2003	The Hard Lock Nut first in the industry to receive the Good Design Award.
January 2003	Received the Special Encouragement Award at the 36th Medium and Small Business Research Institute Awards.
March 2003	Delivery of Hard Lock Nuts for fastening devices used in construction for the Taiwan High Speed Rail.


HARD LOCK INDUSTRY CO.,LTD

HARD LOCK INDUSTRY CO.,LTD