NOTE: You must “PRINT” the charts.

The bolts on this print out will probably not look like your bolt or drain plug, that’s not a problem as we are only looking at the “Threads” Size and Pitch.

Page Scaling NONE or in Adobe it would be Actual size.

Metric
Click Here for: Printable Metric Bolt chart. Set print scaling to NONE or Actual size
Charts must be printed and use scale check after printing on page.
If the chart does not open in Chrome or Firefox try Internet explorer.

Printable Metric Thread Pitch Gauge

Inch
Click Here for: Printable Inch Bolt chart. Set print scaling to NONE or Actual size
Charts must be printed and use scale check after printing on page.
If the chart does not open in Chrome or Firefox try Internet explorer.

Printable Inch Thread Pitch Gauge

Rule –  This is a printable 8” rule for metric and inch.
Fractional/Decimal chart –  Fractional / Decimal chart.
You can also bring the bolt to your local fastener house in your area, they will be able to measure it for you. You will need to know the thread size and pitch of the bolt to repair it.