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VÖLKEL finishing tap JIS B-4430 made of HSS, precision tool for final cutting of metric internal threads, polished finish
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
VÖLKEL finishing tap JIS B-4430 made of HSS, precision tool for final cutting of metric internal threads, polished finish
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
Hand Taps

Hand Tap Taper JIS B-4430 Form A HSS-G - UNC 7/8 x 9

Item no. 93424-1

€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 coarse thread
Standard JIS B-4430
Form Form A
Material HSS-G
Tolerance 2B
Size UNC 7/8 x 9
Overall length (L1) 115 mm
Thread length (L2) 55 mm
Core hole diameter (D1) 19.5 mm
Shank diameter (D2) 17.0 mm
Drive connector 13.0 mm
Item number 93424-1
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 and blind holes
  • for thread cutting by hand
Die visible through a larger die.
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