Measuring Fasteners
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| Measuring Fastener Length |
Measuring Fastener Diameter |
How Fastener Measurements are Notated |
Thread Pitches
- About Thread Pitch and Thread Count (TPI)
- US Threads Per Inch (TPI) Table (Coarse and Fine)
- Metric Thread Pitch Table (Coarse and Fine)
Type-specific measurements
See the sections below for dimensions and measurement charts for specific fastener types.
 Wood Screws |
 Sheet Metal Screws |
 Bolts |
 Machine Screws |
  Nuts and Washers |
 Anchoring Products |
 Eye Bolts and Eye Lags |
 Hanger Bolts |
