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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 7/8 x 14

Item no. 83434-3

€26.80

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 7/8 x 14
Overall length (L1) 113 mm
Thread length (L2) 33 mm
Core hole diameter (D1) 20.25 mm
Shank diameter (D2) 16.0 mm
Drive connector 12.5 mm
Item number 83434-3
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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