Thelen Tree Farm

Celebrating 20 Years - 2001 ~ 2021  



Technical Data

The following charts and tables of technical data are from data that I collected and used frequently during my career as a mechanical engineer. I placed them on the web so I could use them anywhere I was located. It is a handy place to store them and others can also use them. All of this data is on our server.


• Ampacities of Cu Wire
• Copper Wire Chart
• Decimal Equivalents
• Density of Various Materials
• Dielectric Constants of Materials
• Standard Drill Sizes
• Metric Drill Sizes
• Galvanic Corrosion Chart

• American Std Tapping Info
• Metric Tapping Info.
• Sheet Metal Gage Chart
• Torque Information
• Wind Chill Chart
• GD&T Symbols, Terms & Definitions
• Golden Rectangle
• MS-DOS Prompt Commands
• MSDS Glossary