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Solid carbide HPC deep hole drill plain shank DIN 6535 HA 50×D, TiAlN, ⌀ DC: 6,8mm

Article no.: 123750 6,8
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Product details

Technical Data

Tool material solid carbide
Coating TiAlN
Tolerance class ISO fg6
Cutter diameter, min. Dc min. 6.8 mm
Overall length L 425 mm
Flute length Lc 380 mm
Shank diameter DS 8 mm
Number of teeth Z 2
Angle, 1st step 135 degrees
Through-coolant yes, with 40 bar
Entry of cooling lubricant with cooling lubricant entry, axially concentric
Escape of cooling lubricant with cooling lubricant exit, axially concentric
Cooling lubricant yes
Interface position on the machine
Holder type plain shank
Holder shape Standard
Holder version metric
Holder size, metric 8 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
Pilot drill required yes
Cutting media, manufacturer’s designation VHM TiAlN
Interface joint 1
Gauge length A 389 mm
Usable length L1 369.8 mm
Weight 118 g
Cutting direction right-hand cutting
Tool version solid carbide
Standard Werksnorm
Machining method drilling into solid material (BVB)
Colour ring green
Machining strategy HPC
Type of product indexable drill
Version (×D) 50×D
Recommended maximum drilling depth 369.8 mm
Content single part

Identification & Classification

Article number 123750 6,8
EAN / GTIN 4045197498366
Manufacturer number 123750 6,8
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Steel < 500 N/mm²
P
65
Steel < 750 N/mm²
P
50
Steel < 900 N/mm²
P
50
Steel < 1100 N/mm²
P
50
Steel < 1400 N/mm²
P
45
INOX < 900 N/mm²
M
35
INOX > 900 N/mm²
M
30
GG(G)
K
55
Uni
 
wet maximum
 

Description

Execuţie:

Canale în formă de spirală, cu 4 faţete de ghidare şi canale interioare de răcire. Burghiu ultraperformant pentru găuri adânci din noua generaţie cu caracteristici HPC. Cu unghi la vârf de 135° şi toleranţă a tăişurilor fg6 pentru realizarea optimă a unei găuri adânci. Precizie de aliniere ridicată şi concentricitate mare a găurii.

Notă:

Lungime canelură LC = L2 + 1,5 × DC.
Pentru utilizarea în condiţii de siguranţă a burghielor pentru găuri adânci 40×D şi 50×D este obligatorie realizarea unei găuri de ghidare la adâncime maximă cu burghiul pilot cod 122736 şi a unei găuri de ghidare suplimentare 20×D cu burghiul co-pilot cod 123691.Executarea unei găuri de ghidare creşte siguranţa procesului.

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