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The grade 5 steel hex nut has a black oxide finish and meets American Society of Mechanical Engineers ASME B18.2.2 specifications. It has six flat sides that a wrench can grip to turn from the side, enabling use when there is no space above the nut. Grade 5 steel, composed of quenched and tempered medium carbon steel, is often used in applications where strength is the primary consideration. The black oxide finish offers mild corrosion resistance and lubricity.
Nuts are internally threaded fasteners that are used with bolts and threaded rods and studs to connect components. Several different nut styles fit a variety of application and installation requirements. Some styles, such as hex nuts, acorn nuts, flange nuts, and coupling nuts, must be tightened with a tool. Others, such as eye nuts, thumb nuts, and wing nuts, can be tightened by hand. Some nuts have a self-locking mechanism, such as a nylon patch or distorted threads, that makes them suitable for applications with a high amount of vibration.
CTYankee
Reviewed in the United States on January 18, 2025
Welding a Grade 5 nut to a piece of C-channel steel is a lot like gluing a photo-corner to a sheet of Bristol Board, but like a million times stronger.
dave hubbard
Reviewed in the United States on June 1, 2023
Excellent quality 🙌
Cam Wilk
Reviewed in the United States on March 26, 2023
These things are nuts!!! Worked for my application great deal
FRANCINE CRITES
Reviewed in Canada on October 13, 2023
Nice
md74
Reviewed in the United States on June 12, 2022
perfect for what I needed. Seem to be of high quality.
Dan
Reviewed in the United States on November 19, 2022
Thanks!
Randy Torres
Reviewed in the United States on July 8, 2021
exactly what i needed
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