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ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC P

ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC P

ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC P
Item no: 1003141 378 

Online price:

Available in 4-6 working days.

Application
For producing UNC (Unified Coarse) threads on CNC machines or conventional machines in blind holes in the steel, (stainless steel), non-ferrous metals and (cast iron) material groups up to a strength of 1000 N/mm².

Execution
With reinforced shank

Advantage
Long service life and high process reliability thanks to innovative cutting geometry, and universal use for maximum flexibility in use.


Brand: ATORN
Thread type: UNC
Thread type x nominal diameter in inches: UNC 1/4 in
Tolerance of screw taps (Tol.): 2B
Number of thread starts per inch: 20
Hole type: Blind hole ≤ 2.5xD
Lead angle shape: C
Length: 80 mm
Cutting material: HSSE
Surface: Vaporised
Twist angle: 40° (right)
DIN: 371 similar
Shank diameter: 7 mm
Application type/machine type: CNC | Conventional
Core hole diameter: 5,1 mm
Type: P MAX 1000
Coolant supply: External
Shank square: 5,5 mm
Cutting speed (steel 1000) suitability (ISO P 1000 N/mm²): 1
Cutting speed (steel 1300) suitability (ISO P 1300 N/mm²): 3
Overall stainless steel suitability (ISO M): 3
fitness not iron total (ISO N): 1
fitness Titan/Nickel/Super total (ISO S): 3
Cutting speed (cast) suitability (ISO K): 2
Cutting speed (hard 55) suitability (ISO H 55HRC): 3
Cutting speed (hard 65) suitability (ISO H 65HRC): 3

ATORN-No.: 10471029

EAN no.: 4050293020526

Product Datasheet Datasheet cutting values
Versions
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