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Technical Information Index Page

Acme tap drill sizes

Decimal equivalents   drill sizes, wire gauge size, letter sizes, millimeter

Pitch Conversions threads per inch TPI pitch in inches and pitch in mm for taps and dies

Tap drill sizes

Tapers    link to tapers    

Thread Data   link to metric coarse thread data     link to metric fine data chart page

Designer page includes:

• ACME Thread Designer Program
• Conversion Factors for Selected Units
• Drill size chart
• NPT tap size chart
• Screw Data Page
• Spring Designer Program - Compression
• Spring Designer Program - Torsion
• Standard Tap size chart
• Surface Roughness

• More Design Interesting Links

A Dictionary of Measures, Units and Conversions Calculates conversions for various units Interactive Mohr's Circle Calculator from UC-Davis:  Online Interactive Calculation of Principal Stresses, Maximum Shear Stresses, and Safety Factors for a Three Dimensional Stress System

physics.nist.gov Great source for physical constants webcom.com Another units conversion site

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updated June 2003
Newman Tools Inc.