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The threads are 18 threads per inch
8 grade steel
while the zinc coating offers excellent corrosion resistance
The 5/16-18 Finished Hex Nut Black Oxide is a high-quality nut that is perfect for a variety of applications
providing exceptional strength and corrosion resistance
1-8 Heavy Hex Structural Nuts A563DHG Hot Dipped Galvanized with Lubricant Coating NCAG The threads are 18 threads1 8 Heavy Hex Structural Nuts A563DHG Hot Dipped Galvanized with Lubricant Coating are high strength nuts designed for heavy duty structural applications. They are manufactured from low carbon steel and hot dipped galvanized for corrosion resistance. The lubricant coating provides improved torque control and reduces the risk of galling during installation. These nuts meet ASTM A563 specifications and are suitable for use in a wide range of
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