Article no.: 122506

Solid carbide drill plain shank DIN 6535 HA 180° TiAlN

No price available
on request
In stock
71 pieces in stock
Brand: GARANT
Tool material: Solid carbide
Version: 3×D
Point angle: 180 °
Shank: DIN 6535 HA to h6
Through-coolant: yes, with 25 bar
Semi-Standard: yes

Information

  • Tool material: Solid carbide
  • Version: 3×D
  • Point angle: 180 °
  • Shank: DIN 6535 HA to h6
  • Through-coolant: yes, with 25 bar

Description

Version:

Special point geometry for generating 180° flat-bottomed holes. Low radial forces even when spot drilling on faces with up to 45° slope. Flute geometry for optimum chip evacuation. With 4 guide chamfers to stabilise the drill in the hole.

Advantage:

The 180° point angle permits drilling and counterboring in a single operation.

Recommendation:

When using the solid carbide 180° drill it is absolutely essential for process reliability:
  • when spot drilling on flat surfaces to drill a pilot hole 1×D using pilot drill No. 122736.
  • when spot drilling on sloping surfaces up to 15° : reduce the feed rate f to 50 %, up to 30°: reduce the feed rate f to 40 % and up to 45°: reduce the feed rate f to 25 % of the stated value. After spot drilling, the normal feed rate value can be used.

Note:

Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122506 + 129100HB .
Form HE: order with No. 122506 + 129100HE.
180° solid carbide drills for machining aluminium available on request.
Not suitable for generating counterbores for socket-head screws to DIN974-1.

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