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Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
UNF (Unified fine)

Hand Tap Bottoming ISO 529 Form C HSS-G - UNF 2.1/2 x 12

Item no. 83458-3

€470.00

2 weeks delivery time
Application

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for blind holes and thread cutting by hand
Additional information
Type of thread Unified Fine Thread
Standard ISO 529
Form Form C
Material HSS-G
Tolerance 2B
Size UNF 2.1/2 x 12
Overall length (L1) 224 mm
Thread length (L2) 79 mm
Core hole diameter (D1) 61.4 mm
Shank diameter (D2) 40.0 mm
Drive connector 31.5 mm
Item number 83458-3
Type of flute straight fluted
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 and thread cutting by hand
Die visible through a larger die.
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