Certifications & Affiliations

Standard Locknut understands the Significance of Quality, Delivery, & Providing Customer Value.


ISO 9001 : 2015 Certified

Download Certification



The Power Transmission Distributors’ Association is the leading association for the industrial power transmission/motion control (PT/MC) distribution channel. PTDA is dedicated to providing exceptional networking, targeted education, relevant information, and leading edge business tools to help distributors and manufacturers meet marketplace demands more competitively and profitably.

Learn more
Image2 (1)


ABMA began in 1917 as an informal committee to aid production of bearings during World War I. The committee consisted of Andrew Company, New Departure, Nice, Federal, Fafnir, SKF, Norma, BCA, Marlin Rockwell and Atlas Ball. In 1933, articles of association were established for Anti-Friction Bearing Manufacturers Association (AFBMA).

Learn more
Unnamed (2)


BSA is an Illinois not-for-profit corporation whose policies and direction are determined by elected officers and a board of directors, who report to the general membership. The officers and directors represent member firms from worldwide geographic areas. The board meets three times per year, and the association’s performance is reported to and reviewed by the membership at the annual meeting.

Learn more


ISRI, a Washington, DC, based trade association, represents nearly 1,500 private and public for-profit companies – ranging from small, family-owned businesses to multi-national corporations — operating at more than 6,000 facilities in the United States and 30 countries worldwide. Our members are manufacturers and processors, brokers and industrial consumers of scrap commodities, including ferrous and nonferrous metals, paper, electronics, rubber, plastics, glass and textiles.

Learn more
Image5 (1)


Heavy Movable Structures, Inc., is a not-for-profit technical organization of volunteers focusing on the heavy civil facilities utilized by or for the public benefit, with emphasis on, but not limited to, movable bridges.  HMS is primarily concerned with movable bridges and other large civil engineering structures.

Learn more


The Association for Iron & Steel Technology (AIST) is a non-profit organization with 17,500 members from more than 70 countries. With 30 Technology Committees and 22 Local Members Chapters, AIST represents an incomparable network of steel industry knowledge and expertise.

Learn more

Contact Us