Fluteless machine tap with oil grooves HSS-E G1/4

Article no.: 139472 G1/4
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In stock
47 pieces in stock
  • Thread type: G
  • Flank angle: 55
  • Tool material: HSS E
  • Standard: DIN 2189
  • Tolerance class: ISO 228 X

Product details

Technical Data

Thread size G1/4
Coating TiAlN
Thread type G
Flank angle 55 degrees
Tool material HSS E
Standard DIN 2189
Tolerance class ISO 228 X
Taper lead form C
Shank Plain shank with h9
Through-coolant no
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 ⌀ 13.16 mm
Overall length L 100 mm
Shank ⌀ Ds 11 mm
Shank square □ 9 mm
Tapping hole ⌀ guide value 12.55 mm
Number of clamping slots 3
Colour ring green
Number of cutting edges Z 3
Thread depth 39.48 mm
Type of product Fluteless tap

Identification numbers & Classifications

Article number 139472 G1/4
EAN / GTIN 4045197447098

Application Table

Aluminium (short chipping)
N
23
Steel < 500 N/mm²
P
23
Steel < 750 N/mm²
P
22
Steel < 900 N/mm²
P
22
INOX < 900 N/mm²
M
11
CuZn
N
12
Uni
 
Oil
 
wet maximum
 

Description

Version:

DIN 2189 (≈ DIN 5156). With oil grooves; optimum lubrication effect even in deeper threads.
High performance TiAlN and anti-friction coating for correspondingly longer tool life.

Application:

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

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