A320 Head Requirements
Does A320 require bolts or cap screws to have heavy hex heads?
A320
A320 L7 Bolts in Slip Critical Connections
Can A320 L7 grade bolts be used for Slip Critical connections?
A320 L7 Nuts and Washers
What grade of nuts and washers are compatible with ASTM A320 Grade L7 bolts and rods?