Description:

The Patriot H7977 Zinc Plated Exhaust Header Bolt pack provides a durable and corrosion resistant fastening solution for automotive exhaust systems. These high quality bolts ensure a secure fit and easy installation for header applications.

• Size 5/16 18 inch x 1 inch
• Material Medium Carbon Steel
• Finish Zinc plated to minimize corrosion
• Hardness Grade 2
• Head Style Hexagonal
• Thread Type UNC Right Hand
• Thread Coverage Fully Threaded
• Thread Class 3A
• Thread Pitch 0.0556 inches
• Item Diameter 0.3125 inches
• Color Silver
• Quantity Pack of 12