DIN 186 T-Head bolts with square neck Head Standard Dimensions and Specifications

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DIN 186 T-Head bolts with square neck Head Standard Dimensions and Specifications
  • Steel: 4.6, 8.8
  • Stainless: A2,A4

Terminology and Measurements

  • l – Length of Bolt
  • d – The Nominal Diameter of the Thread
  • k – Head Height
  • e – The Diameter of the Circumscribed Circle
  • s – Head Width
  • a1 – Length Undercut
  • dp – Diameter of the Ejector
  • r – Head Radius
  • k´ – Minimum Size of the Head on the Key
  • n – Head Thickness
  • r1 – Radius
  • u – Thread Run
  • lg – Length of the Shank to Thread
  • ls – Length of the Shank to the Start of the Thread
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