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Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
A technical drawing shows a tap with the label “2–3 threads” indicating the distance of 2–3 threads.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
A technical drawing shows a tap with the label “2–3 threads” indicating the distance of 2–3 threads.
BLACK RING

Machine Tap BLACK RING DIN 376 Form C HSSE NIT - M 20 x 2.5

Item no. 35166

€80.00

in stock - more than 10 pieces available
Application

Application:

cast iron GG, spheroidal graphite iron GGG

  • Magnesium alloys
  • for through and blind holes

surface treatment nitrided:

  • increased surface hardness
  • high abrasion resistance
  • improved anti-friction properties
Additional information
Type of thread metric ISO-thread
Standard DIN 376
Form Form C
Material HSSE
Tolerance ISO2 (6H)
Size M 20 x 2.5
Overall length (L1) 140 mm
Thread length (L2) 34 mm
Core hole diameter (D1) 17.5 mm
Shank diameter (D2) 16.0 mm
Drive connector 12.0 mm
EAN 4022835351665
Item number 35166
Type of flute straight fluted
Application for through and blind holes
Thread standard DIN 13
Coating NIT

Application:

cast iron GG, spheroidal graphite iron GGG

  • Magnesium alloys
  • for through and blind holes

surface treatment nitrided:

  • increased surface hardness
  • high abrasion resistance
  • improved anti-friction properties
Die visible through a larger die.
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