Spiralock Overview

  • Founded
  • 1927

  • Status
  • Acquired/​Merged

  • Latest Deal Type
  • M&A

  • Financing Rounds
  • 1

Spiralock General Information


Manufacturer of nuts, inserts, taps, gages, and cutters. The company manufacturer a wide range of fastening tool for multitude of industries worldwide including aerospace, heavy truck, military, automotive, diesel engines, medical, farm & construction, oil & gas, and others.

Contact Information

Formerly Known As
Detroit Tool Industries
Ownership Status
Financing Status
Corporate Backed or Acquired
Primary Industry
Other Commercial Products
Primary Office
  • 25235 Dequindre Road
  • Madison Heights, MI 48071
  • United States

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Spiralock Valuation & Funding

Deal Type Date Amount Valuation/
Post-Val Status Debt

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Spiralock Patents

Spiralock Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20090156325-A1 Attachment system for detachably securing a component to a shaft-like member Inactive 07-Nov-2007 000000000 00
US-20100221087-A1 Preload locking wire insert Inactive 23-Jan-2007 000000000
EP-1979633-A4 Preload locking wire insert Inactive 23-Jan-2007 000000000
EP-1979633-A1 Preload locking wire insert Inactive 23-Jan-2007 000000000
JP-2010516960-A Preload locking wire insert Pending 23-Jan-2007 F16B37/12
To view Spiralock’s complete patent history, request access »

Spiralock Executive Team (1)

Name Title Board Seat Contact Info
Doug McElroy Director of Finance
To view Spiralock’s complete executive team members history, request access »