GARANT Master Steel solid carbide high-performance drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7: 7,8mm

Article no.: 122762 7,8
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⌀ DC h7 (mm) Unit price incl. VAT

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  • Tool material: Solid carbide
  • Standard: DIN 6537 L
  • Version: 6×D
  • Tolerance nominal ⌀: h7
  • Number of cutting edges Z: 2

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Product details

Technical Data

Series Master Steel
Nominal ⌀ DC 7.8 mm
Coating TiAlN
Tool material Solid carbide
Standard DIN 6537 L
Version 6×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 140 degrees
recommended maximum drilling depth L2 41.3 mm
Shank DIN 6535 HB to h6
Through-coolant Yes, with 25 bar
Machining strategy HPC
Semi-Standard yes
Flute length Lc 53 mm
Overall length L 91 mm
Shank ⌀ Ds 8 mm
Feed f in steel < 1100 N/mm2 0.25 mm/rev.
Type of product Jobber drill

Identification & Classification

Article number 122762 7,8
EAN / GTIN 4067263124061
Manufacturer number 122762 7,8
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com

Application Table

Steel < 500 N/mm²
P
170
Steel < 750 N/mm²
P
155
Steel < 900 N/mm²
P
145
Steel < 1100 N/mm²
P
130
Steel < 1400 N/mm²
P
110
Steel < 55 HRC
H
60
INOX < 900 N/mm²
M
55
INOX > 900 N/mm²
M
45
GG
K
130
GGG
K
90
Uni
 
wet maximum
 
wet minimum
 
Air
 

Description

Esecuzione:

Esecuzione robusta e affilatura speciale ottimizzata per garantire la migliore formazione dei trucioli e una sicura rottura degli stessi con al contempo valori di avanzamento elevati. Microgeometria di ultima generazione, taglienti di forma convessa e affilatura a tazza per una maggiore stabilità del tagliente principale. Scanalature ottimali e geometria frontale brevettata per una sicura evacuazione dei trucioli su acciaio e ghisa. Rivestimento ad alte prestazioni di ultimissima generazione.

Nota:

Lunghezza scanalatura per trucioli LC = L2 + 1,5 × DC.

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