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General Fastener Info
Materials and Grades
Printable Fastener Tools
Measuring Fastener Length
Measuring Fastener Diameter
How Fastener Measurements are Notated
Printable Tools for Measuring Fasteners
Printable US and Metric Ruler
Print a fully functional US and Metric ruler to measure fastener length.
Printable US and Metric Thread Gauge
A printable paper version of our popular
. Use this tool to distinguish between coarse and fine thread bolts and machine screws, and between the many thread pitches used on metric bolts and machine screws.
About Thread Pitch and Thread Count (TPI)
US Threads Per Inch (TPI) Table (Coarse and Fine)
Metric Thread Pitch Table (Coarse and Fine)