Nut Grade Mark Visibility
Does it matter if we install nuts on A325s and A490s with the manufacturer’s ID and grade mark showing, or can they be installed either way?
Nuts
A320 L7 Nuts and Washers
What grade of nuts and washers are compatible with ASTM A320 Grade L7 bolts and rods?
Weldable Nut Grades
What grades of nuts are weldable?
Internal Thread Corrosion
Since the threads inside of a hot-dip galvanized nut are bare metal, will they corrode?
High Strength vs Standard Nuts
Can an A563 Grade DH high strength heavy hex nut be substituted for a lower strength A563 Grade A hex nut?
Galvanized Nuts Tapped Oversize
Can I use black (plain finish) or zinc plated nuts on galvanized bolts?