THREAD CUTTING & FORMING
Chipless Tapping-A fluteless tap is used for Ø < ½” => cold formed in holes in ductile metals only-The required forming torque is twice the cutting torque that is necessary to cut the section.-They produce better accuracy than the fluted ones-The diameter of the hole must be well controlled-Lubricants (water soluble soaps ) are essential
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Table of Contents
www.stanleyengineeredfastening.comHole Sizes for Cut Tapping 23 Hole Sizes for Cold Forming 24 Tap and Gage Part Numbers - English 25 Tap and Gage Part Numbers - Fractional 26 Tap and Gage Part Numbers - Metric 28 Gaging Recommended Gaging Practices 31 Standard Tap Dimensions 32 Tapping Troubleshooting 34 Application Profile 36 ...
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