Markings and Grades for US Standard and Metric Nuts
The Nut and Bolt Solution Series
Our video shows how to read the markings or grade lines on a nut to determine the grade. Deals with US standard nuts, grades 2, 5, and 8. Metric nuts grade 8.8 and 10.9.
Video 2: Determining Nut Grades
The Nut and Bolt Solution Series Index - View the entire fastener video "how to" series
Commercial video
production company and services: EtownVideos.com
Our disclaimer: 24 years as a fastener distributor may make us knowledgeable and familiar with common fastener questions. It doesn't qualify us as technical experts. We will gladly refer you to the fastener industries "authorities" for your technical specifications. NFDA - The National Fasteners Distributors Association. IFI - Industrial Fasteners Institute. STAFDA - Specialty Tools and Fasteners Distributors Association
