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Fluteless machine tap with oil grooves HSS-E-PM IC G3/8

Article no.: 139425 G3/8

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G Unit price incl. VAT
  • Thread type: G
  • Flank angle: 55
  • Tool material: HSS E PM
  • Standard: DIN 2189
  • Tolerance class: ISO 228 X

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Product details

Technical Data

Thread size G3/8
Coating TiAlN
Thread type G
Flank angle 55 degrees
Tool material HSS E PM
Standard DIN 2189
Tolerance class ISO 228 X
Taper lead form C
Shank Plain shank with h9
Through-coolant yes
Application for type of drilling up to 3×D for blind holes; up to 3×D for through holes
Cutting direction right-hand
Thread pitch 1.337 mm
Threads per inch 19
Thread ⌀ 16.66 mm
Overall length L 100 mm
Shank ⌀ Ds 12 mm
Shank square □ 9 mm
Tapping hole ⌀ guide value 16.05 mm
Number of clamping slots 8
Colour ring blue
Number of cutting edges Z 8
Thread depth 49.98 mm
Series Master Form
Type of product Fluteless tap

Identification numbers & Classifications

Article number 139425 G3/8
EAN / GTIN 4062406384043
Manufacturer number 139425 G3/8

Application Table

Aluminium (short chipping)
N
42
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
38
Steel < 900 N/mm²
P
29
Steel < 1100 N/mm²
P
20
Steel < 1400 N/mm²
P
15
INOX < 900 N/mm²
M
15
INOX > 900 N/mm²
M
8
CuZn
N
25
Oil
 
wet maximum
 
wet minimum
 

Description

Version:

DIN 2189 (≈ DIN 5156). With oil grooves; optimum lubrication effect even in deeper threads.
GARANT Master Form Steel:
The latest generation of high-performance fluteless taps, specially developed for use in steels.
  • Optimised polygon geometry for a lower torque.
  • Multi-layer HIPIMS coating for high wear resistance.
  • HSS-E-PM substrate for top process reliability.

With internal coolant feed laterally from the grooves. Permits the longest possible tool life when machining through holes and blind holes.

Application:

For Whitworth parallel pipe threads DIN-ISO 228/1 (threads that do not form a seal within the connection).

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