Discover reliable fastening with our Square Nuts Grade 2 Steel HDG 5/16-18. Crafted from Grade 2 steel and hot-dip galvanized (HDG) for enhanced corrosion resistance, these square nuts are built to perform in demanding environmentsfrom outdoor projects to industrial settings.

Key specifications

• Thread size: 5/16-18
• Finish: Hot-dip galvanized (HDG)
• Material: Grade 2 steel
• Style: Square nut

Why choose HDG Grade 2 Square Nuts?

HDG coating provides robust corrosion protection, helping extend the life of fasteners in damp or harsh environments. The square shape offers improved torque transfer and helps resist loosening during vibration, making these nuts ideal for machinery, automotive, and construction applications where dependable fastening matters.

Common uses

• Machinery and equipment assemblies
• Outdoor fixtures and rust-prone environments
• Industrial and construction projects requiring secure, non-rotating fasteners