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HEICO Befestigungstechnik GmbH

Oesterweg 21DE59469Ense-Höingen
Phone:+49 (0)2938 805 0
Fax:+49 (0)2938 805 198
Your experts for highly demanding bolt connections.

The German manufacturer HEICO has been producing and selling high-quality bolt locking and pre-tensioning systems for many years and are experts in the field of bolt technology.


Over 120 years of experience and expertise in fastening technologies make HEICO a competent partner for the wind industry.

This family company, now in its fourth generation, produces high-quality products - Made in Germany. From its two production sites in Ense, North Rhine-Westphalia, the company supplies more than 1,000 customers in 68 countries around the world.

The 14 HEICO subsidiaries have their own warehousing facilities and a global distribution network with national and international trading partners, ensuring short delivery routes and optimal customer service.

In addition to professional technical support, the HEICO Group‘s own testing laboratory offers a wide range of tests for individual customer applications.

HEICO-LOCK® provides reliable protection against self-loosening bolt connections. In addition to the approved wedge lock washers, the product portfolio includes innovative product variants and easy-to-assemble combination products, such as the new HEICO-LOCK® plus. HEICO-LOCK® offers optimal products for effectively securing bolts in every field of application.

Tightening large bolt connections in wind turbines usually requires expensive electrical, hydraulic and pneumatic tools. By using tension nuts and tension bolts from the HEICO-TEC® product portfolio, even large bolt connections up to a size of M160 can be preloaded simply, quickly and reliably with the help of a standard torque wrench.

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more data:
  • Founded: 1900
  • Employees: > 400