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High-precision steel thread tap for cutting internal threads, ideal for metalworking and engineering.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
High-precision steel thread tap for cutting internal threads, ideal for metalworking and engineering.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
8-UN - 12-UN - UNS - UN

Machine Tap ISO 529 Form C 35° Spiral Flute HSSE - UN 4" x 8

Item no. 83171

€4,800.00

in stock - less than 10 pieces available
Application

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for blind holes
Additional information
Type of thread Unified thread
Standard ISO 529
Form Form C
Material HSSE
Tolerance 2B
Size UN 4" x 8
Overall length (L1) 279 mm
Thread length (L2) 89 mm
Core hole diameter (D1) 98.5 mm
Shank diameter (D2) 56.0 mm
Drive connector 45.0 mm
EAN 4022835831716
Item number 83171
Type of flute 35° Spiral Flute
Application for blind holes
Thread standard ANSI B 1.1

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for blind holes
Die visible through a larger die.
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