High-precision countersink 90° uncoated

Article no.: 150390
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  • Countersink tip angle: 90
  • Tool material: HSS
  • Standard: DIN 335 D
  • Shank: Morse taper
  • Through-coolant: no

Description

Version:

Countersinks radially relief ground. Chip flutes are ground from solid up to size 31. Chip angle varies with the countersink ⌀ for optimum chip formation. Countersink point and circumference are relief ground and cut easily.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-D.

Note:

For suitable reducing adapters for tools with MT shanks see No. 343000-343530.
For countersink bits with shank 6.3 mm (1/4 inch) see Group 67.

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