Bulk A563 Grade DH Heavy Hex Nuts – Coarse Thread HDG/Wax/Blue Dye (US Inch Sizes) DIN 9427 Thermal Black Oxide: Low-gloss finish

Thermal Black Oxide: Low-gloss finish with light oil for mild corrosion resistance

They are commonly used in shipbuilding

0 mm hex socket enables positive driver engagement and precise torque transfer

They are essential in applications with counter-bored holes or where space constraints prevent the use of standard lock washers

Bulk A563 Grade DH Heavy Hex Nuts – Coarse Thread HDG/Wax/Blue Dye (US Inch Sizes) DIN 9427 Thermal Black Oxide: Low-gloss finishBulk A563 Grade DH Heavy Hex Nuts Coarse Thread HDG Wax Blue Dye (US Inch Sizes) Enhance the strength and reliability of your heavy duty assemblies with our high quality A563 Grade DH Heavy Hex Nuts. These nuts are made from high strength steel and feature a Hot Dip Galvanized (HDG) finish with Wax and Blue Dye, providing excellent corrosion resistance and lubrication for easier installation. Designed for structural applications, they are ideal for