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CTR • Counterbore
CTR • Counterbore
CTR • Counterbore
CTR • Counterbore
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S2S Weldon Shank • Inch

CTR • Counterbore

SAP Material Number 1992774
ISO Catalog Number CBT2375RW150N3
ANSI Catalog Number CBT2375RW150N3
[D1] Drill Diameter M 60.325 mm
[D1] Drill Diameter M 2.375 in
Drill Diameter Tol. Min -0.196 mm
Drill Diameter Tol. Min -0.007 in
Drill Diameter Tol. Max 0.196 mm
Drill Diameter Tol. Max .0077 in
[D] Adapter / Shank / Bore Diameter 38.1 mm
[D] Adapter / Shank / Bore Diameter 1.5 in
Pre Machined Hole Diameter [D6] 39.7 mm
Pre Machined Hole Diameter [D6] 1.562 in
[L] Overall Length 126.99 mm
[L] Overall Length 5 in
[L4] Maximum Drilling Depth 38.1 mm
[L4] Maximum Drilling Depth 1.5 in
[LS] Shank Length 68.598 mm
[LS] Shank Length 2.7 in
Gage Insert SPHX120404R.
Number of Insert Cutting Diameter 1 3
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Uses and application

  • Flood Coolant: DrillingFlood Coolant: Drilling
  • Shank - Cylindrical  WeldonShank - Cylindrical Weldon
  • Counter BoringCounter Boring
  • Flute Configuration: 2Flute Configuration: 2
  • Flute Configuration: 3Flute Configuration: 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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