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Solid carbide HPC deep hole drill plain shank DIN 6535 HA 40×D, TiAlN, ⌀ DC: 4,8mm

Article no.: 123740 4,8

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Technical Data

Tool material solid carbide
Coating TiAlN
Tolerance class ISO fg6
Cutter diameter, min. Dc min. 4.8 mm
Overall length L 275 mm
Flute length Lc 230 mm
Shank diameter DS 6 mm
Number of teeth Z 2
Angle, 1st step 135 degrees
Through-coolant yes, with 40 bar
Cooling lubricant yes
Manufacturer’s designation VHM-HPC-Tieflochbohrer zylindrischer Schaft DIN 6535 HA 40×D
Interface position on the machine
Holder type plain shank
Holder shape Standard
Holder version metric
Holder size, metric 0060 mm
Holder tolerance class h6
Shank type HA
Configurable no
Tolerance of cutter diameter tolerance class ISO
Twist direction right-hand
Helix angle, min. 30 degrees
Type of drilling tool step drill
Pilot drill required yes
Cutting media, manufacturer’s designation VHM TiAlN
Interface joint 1
Gauge length A 239 mm
Usable length L1 222.8 mm
Weight 42 g
Cutting direction right-hand cutting
Standard Werksnorm
Machining method drilling into solid material (BVB)
Colour ring green
Machining strategy HPC
Type of product indexable drill
Version (×D) 40×D
Recommended maximum drilling depth 222.8 mm
Content single part

Identification & Classification

Article number 123740 4,8
EAN / GTIN 4045197498137
Manufacturer number 123740 4,8
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
75
Steel < 750 N/mm²
P
60
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
60
Steel < 1400 N/mm²
P
50
INOX < 900 N/mm²
M
40
INOX > 900 N/mm²
M
35
GG(G)
K
65
Uni
 
wet maximum
 

Description

Exécution:

Goujures hélicoïdales, avec 4 listels et trous d’huile internes. Forets longs hautes performances de la nouvelle génération dans le domaine HPC. Avec angle de pointe de 135° et tolérance d’arête fg6 pour la réalisation optimale d’un perçage profond. Précision d’alignement et concentricité élevées de l’alésage.

Remarque(s):

Longueur des goujures LC = L2 + 1,5 × DC.
Pour une utilisation sûre des forets longs 40×D et 50×D, il est indispensable d’effectuer un alésage pilote à la profondeur de perçage maximale à l’aide du foret pilote 122736 et un co-alésage pilote 20×D à l’aide du co-foret pilote 123691.La réalisation d’un alésage pilote augmente la sécurité du processus.

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