Grade 8 Carriage Bolts

Grade 8 Carriage Bolts are made from a medium carbon alloy steel and heat-treated. They have a greater load carrying capacity compared to a Grade 5 Carriage Bolt. AFT offers both plain steel Grade 8 Carriage Bolts and zinc plated Grade 8 Carriage Bolts.

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Carriage Bolt Resources

• Round Head, Square Neck Carriage Bolts
• Round Head, Short Neck Carriage Bolts
• Round Head, Ribbed Neck Carriage Bolts
• Fin Neck Carriage Bolts
• Flat Head, Square Neck Carriage Bolts
• Nut Compatibility Chart
• Bolt Grade Markings & Bolt Strength Chart