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      CTR — Senken
      CTR — Senken
      CTR — Senken
      CTR — Senken

      S2S Weldon Shank • Inch

      CTR — Senken

      Metric
      Inch
      SAP Material Number 1992509
      ISO Catalog Number CBT0813RW075N3
      ANSI Catalog Number CBT0813RW075N3
      [D1] Drill Diameter M 20.6370
      [D1] Drill Diameter M .8125
      Drill Diameter Tol. Min -0.150000
      Drill Diameter Tol. Min -0.006
      Drill Diameter Tol. Max 0.150000
      Drill Diameter Tol. Max .0060
      [D] Adapter / Shank / Bore Diameter 19.05
      [D] Adapter / Shank / Bore Diameter .75
      Pre Machined Hole Diameter [D6] 13.4870
      Pre Machined Hole Diameter [D6] .5312
      [L] Overall Length 88.9100
      [L] Overall Length 3.500
      [L4] Maximum Drilling Depth 12.7000
      [L4] Maximum Drilling Depth .5000
      [LS] Shank Length 52.0
      [LS] Shank Length 2.047
      Gage Insert SPHX060204R..
      Number of Insert Cutting Diameter 1 3
      See all Product Variants

      Uses and application

      • SenkenSenken
      • Zylinderschaft –    WeldonZylinderschaft – Weldon
      • Außenkühlung: BohrenAußenkühlung: Bohren
      • Schneidreihen: 2Schneidreihen: 2
      • Schneidreihen: 3Schneidreihen: 3

      Workpiece Materials

      P Steel
      M Stainless Steel
      K Cast Iron
      N Non-Ferrous
      S High-Temp Alloys
      H Hardened Materials

      Features and benefits

      • CTR Counterboring Tools are designed for high-production screw-head counterbores and similar counterboring operations.

      • Extremely unequal insert positioning and flutes.

      • S2 S inserts reduct additional drill operations to achieve a precise 90° bottom.

      • Counterboring tool shipped with insert screws and Torx wrench.

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