Metric Class 4.6 Carriage Bolts

Metric Class 4.6 carriage bolts are made with a low or medium carbon steel. AFT offers Class 4.6 carriage bolts in diameters ranging from M6 up to M16 and lengths from 20 mm up to 120 mm.

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