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Synchronised fluteless machine tap with oil grooves Solid carbide, TiAlN, M: M4

Article no.: 392489 Catalog no.: 139242
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CHF 91.99
Price per 1 Piece
Price valid until 31 Dec 2026
Net price: CHF 31.50
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Product details

Technical Data

Through-coolant no
Cooling lubricant yes
Interface position on the machine
Holder type plain shank
Interface coding ZYL00602100
Holder tolerance class h6
Shank diameter DS 6 mm
Length of shank LS 38.66 mm
Shank type HA
Thread type M
Nominal diameter of metric thread D 4 mm
Thread D M4
Thread pitch 0.7 mm
Thread tolerance class ISO 2X 6HX
Chisel edge diameter 3.54 mm
Length of tapping part Lc 11.6 mm
Tap infeed length 1.75 mm
Taper lead angle 8 degrees
Number of teeth 5
Twist direction neutral, straight
Twist angle 0 degrees
Taper lead form C
Application for type of drilling through hole; blind hole
To depth (x diameter) 3; 3
Number of clamping slots 5
Core hole diameter 3.7 mm
Core hole diameter guideline value 3.7 mm
Flank angle 60 degrees
Square-drive width across flats □ 4.9 mm
Tool material solid carbide
Coating TiAlN
Interface joint 1
Usable length L1 12 mm
Overall length L 63 mm
Weight 18 g
Cutting direction right-hand cutting
Standard Werksnorm
Machining method thread processing internal (EGI)
Colour ring without
Type of product fluteless tap
Content single part

Identification & Classification

Article number 392489
Catalog number 139242
EAN / GTIN 4045197273475
Manufacturer number 139242 M4
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
50
Aluminium (short chipping)
N
50
Alu > 10% Si
N
48
Steel < 500 N/mm²
P
52
Steel < 750 N/mm²
P
48
Steel < 900 N/mm²
P
45
Steel < 1100 N/mm²
P
40
Steel < 1400 N/mm²
P
33
Oil
 
wet maximum
 

Description

Version:

Special polygon geometry and shank to DIN 6535-HA for use on machines with synchronised spindle drives. With oil grooves; optimal lubrication effect even in deeper threads.
Special solid carbide tool material for high cutting speeds and long tool life. TiAlN and anti-friction coating ensure low wear and low tendency to edge build-up.

Note:

For use on synchronised spindles, the GARANT quick-change tapping chuck No. 338100338121 with minimum length adjustment (MLA) ensures very high process reliability.

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