With information courtesy of W. Christie Ltd, PRD hope to assist you with this new handbook, for you to print and use when needed. If there is any other technical information, not included in this handbook, where you would like further assistance, please do not hesitate to call PRD Fasteners Limited on 01902 636246.
Download the Technical Handbook
CONTENTS INCLUDE
- The definition of and how to measure torque
- Formula for torque wrench extensions
- Calculations for the nut sizes given thread types UNC & UNF
- Dimensions & torque for socket head cap screws
- Dimensions for Metric black hexagon bolts
- Metric torque lubrication chart
- Imperial torque lubrication chart
- Torque/load for metric fasteners
- Torque for metric fine fasteners
- Impact socket comparison chart
- Formulas for distance across corners and chordal length on a PCD
- Common chordal lengths and formulas for cylinder capability, horse power and temperature conversion
- Weight of steel, wire gauges, material characteristics & Rockwell, Brinell conversion
- Conversion tables
- Inch metric conversions
- Tapping and drill sizes
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