HiPer-Drill base body, 5×D, ⌀ DC: 21mm

Article no.: 231610 21
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Availability

  • Version: 5×D
  • Shank: ISO 9766
  • Use for drilling: limited cross-drilling; limited drilling through a stack; limited drilling with oblique exit; limited oblique spot drilling
  • Number of cutting edges Z: 2
  • Through-coolant: yes

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Product details

Technical Data

Series HiPer-Drill
Version 5×D
Shank ISO 9766
Use for drilling limited cross-drilling; limited drilling through a stack; limited drilling with oblique exit; limited oblique spot drilling
Number of cutting edges Z 2
Through-coolant yes
Dia. range Dc 21 mm - 21.99 mm
Reach L1 110 mm
Shank ⌀ Ds 25 mm
Shank length Ls 56 mm
Clamping screw 231999 9IP (2.2 Nm)
Overall length L 198 mm
Type of product Indexable drill

Identification & Classification

Article number 231610 21
EAN / GTIN 4045197603043
Manufacturer number 231610 21
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Description

Version:

  • Very high feed rates and maximum performance due to optimally matched geometries and materials.
  • Precise positioning of the cutter insert due to Vee insert seating and secure clamping by the centre bore.
  • High concentricity when assembled. (For holes up to IT9 accuracy)
  • Shank support for optimum stability in operation.

Application:

For stationary and rotating use. For holes up to IT9 accuracy.

Note:

The insert screw must be replaced after every fifth change of cutter insert.
Further sizes up to ⌀ 50.99 mm available on request.
Clamp in a hydraulic chuck (such as No. 302026 size 20) for optimum radial run-out.
For optimum stability, clamp the drill so the overhang is as short as possible.

Warning:

Bestimmungsgemäße Verwendung
  • Für stehenden und rotierenden Einsatz.
  • Für mittelgroße Bohrungen bis Genauigkeit IT9, rechtsschneidend.
  • Ausschließlich mit KSS-Emulsion zur Innenkühlung verwenden.
  • Vor Verwendung Pilotbohrung zur Erhöhung der Prozesssicherheit durchführen.
  • Nur mit Schneideinsatz Nr. 231630231690, Spannschraube Nr. 231999 verwenden.
  • Spannschraube mit auf Bohrer eingraviertem Drehmoment festziehen.
  • Für den industriellen Gebrauch.
  • Nur in technisch einwandfreiem und betriebssicherem Zustand verwenden.

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