Description
Square Nuts are fundamental elements in rail fastening, designed specifically for use with 7/8“, 1” and 1-1/8” diameter Railroad Bolts.
Manufactured to AREMA regulations, Volume 1, Chapter 4, Part 3, Section 3.5, these nuts are produced from carbon steel and meet Grade 5 or Grade 8 standards, per the Society of Automotive Engineers SAE J995 Specification for Mechanical and Material Requirements for Steel Nuts.