Bolt Information

About Fastener Materials and Coatings	Bolt Grade Markings and Strength Chart

US

• Bolt Head/Wrench Size
• Recommended Bolt Torque
• Standard Thread Length for Bolts
• Threads Per Inch Table (Coarse and Fine)

• US Bolt Diameter and Thread Chart
  Our printable 'lay-over' sizing chart for identifying US bolt diameter and thread count.

Metric

• Bolt Head/Wrench Size
• Recommended Bolt Torque
• Standard Thread Length for Bolts
• Thread Pitch Table (Coarse and Fine)

• Metric Bolt Diameter and Thread Chart
  Our printable 'lay-over' sizing chart for identifying metric bolt diameter and thread pitch.