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Three parallel metal taps with square drives and cutting threads, used for creating internal threads in holes.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Three parallel metal taps with square drives and cutting threads, used for creating internal threads in holes.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
UNEF (Unified extra fine)

Hand Tap set of 3 pieces ISO 529 HSS-G - UNEF 1/2 x 28

Item no. 83825

€28.80

in stock - more than 10 pieces available
Application

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for through and blind holes
  • for thread cutting by hand
Additional information
Type of thread Unified Extra Fine Thread
Standard ISO 529
Material HSS-G
Tolerance 2B
Size UNEF 1/2 x 28
Overall length (L1) 89 mm
Thread length (L2) 29 mm
Core hole diameter (D1) 11.8 mm
Shank diameter (D2) 9.0 mm
Drive connector 7.1 mm
EAN 4022835838258
Item number 83825
Type of flute straight fluted
Application for through and 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 through and blind holes
  • for thread cutting by hand
Die visible through a larger die.
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