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Precision steel threading tap with sharp cutting edges and square shank, designed for creating accurate internal threads.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Precision steel threading tap with sharp cutting edges and square shank, designed for creating accurate internal threads.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Hand Taps

Hand Tap Second JIS B-4430 Form D HSS-G - UNF 7/8 x 14

Item no. 93474-2

€26.80

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 Fine Thread
Standard JIS B-4430
Form Form D
Material HSS-G
Tolerance 2B
Size UNF 7/8 x 14
Overall length (L1) 115 mm
Thread length (L2) 55 mm
Core hole diameter (D1) 20.25 mm
Shank diameter (D2) 17.0 mm
Drive connector 13.0 mm
Item number 93474-2
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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