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Efficient VÖLKEL machine tap to ISO 529 standard, perfect for professional metalworking.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Efficient VÖLKEL machine tap to ISO 529 standard, perfect for professional metalworking.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
UNEF (Unified extra fine)

Machine Tap ISO 529 Form B HSSE - UNEF 1/2 x 28

Item no. 83325

€19.50

in stock - more than 100 pieces available
Application

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for through holes
Additional information
Type of thread Unified Extra Fine Thread
Standard ISO 529
Form Form B
Material HSSE
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 4022835833253
Item number 83325
Type of flute straight fluted
Application for through 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 holes
Die visible through a larger die.
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