Article no.: 231615

HiPer-Drill base body 8×D

No price available
on request
Deliverable
27 pieces in stock
Brand: GARANT
Version: 8×D
Shank: ISO 9766
Use for drilling: limited cross-drilling
Use for drilling: limited drilling through a stack
Use for drilling: limited drilling with oblique exit
Use for drilling: limited oblique spot drilling
Through-coolant: yes

Information

  • Version: 8×D
  • Shank: ISO 9766
  • Use for drilling: limited cross-drilling
  • Use for drilling: limited drilling through a stack
  • Use for drilling: limited drilling with oblique exit

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.
  • Shank support for optimum stability in operation.

Application:

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

Recommendation:

Drill the pilot hole.

Note:

Further sizes up to ⌀ 50.99 mm available on request.
The insert screw must be replaced after every fifth change of cutter insert.
reduce vf values by 20 %.
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.
For process reliability when using the drill, initial pilot drilling to 1.5×D with the drill No. 231600 with the same cutter insert size and type is necessary. The generation of a pilot hole improves process reliability.

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