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VÖLKEL finishing hand tap in bright steel design, optimized for accuracy and durability in thread finishing.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
VÖLKEL finishing hand tap in bright steel design, optimized for accuracy and durability in thread finishing.
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 No. 12 x 28

Item no. 83412-3

€4.50

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 No. 12 x 28
Overall length (L1) 62 mm
Thread length (L2) 17 mm
Core hole diameter (D1) 4.7 mm
Shank diameter (D2) 5.6 mm
Drive connector 4.5 mm
Item number 83412-3
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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