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VÖLKEL lead tap JIS B-4430 made of HSS, precision tool for cutting metric internal threads, polished finish
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
VÖLKEL lead tap JIS B-4430 made of HSS, precision tool for cutting 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 - Rc (BSPT) 1/8 x 28

Item no. 97406-1

€8.40

in stock - more than 10 pieces available
Application

Advantages:

  • longer endurance as cutting taps
  • higher possible cutting speed
  • steady exactness of dimension and profile
  • high stability of the forming threads
  • high security against fracture
  • no removal of swarf, no jaming of swarf

Application:

for chipless production of internal threads

bright:

  • for nonferrous metal of good ductility
  • for long-chipping nonferrous Metal (Cooper, Brass, Bronze, Alu)
  • Zinc alloys
  • for through and blind holes
Additional information
Type of thread tapered pipe thread, taper 1:16, con. 55°
Standard JIS B-4430
Form Form A
Material HSS-G
Tolerance medium
Size Rc (BSPT) 1/8 x 28
Overall length (L1) 55 mm
Thread length (L2) 19 mm
Core hole diameter (D1) 8.2 mm
Shank diameter (D2) 8.0 mm
Drive connector 6.0 mm
Item number 97406-1
Type of flute straight fluted
Application for through holes
Thread standard ISO 7-1

Advantages:

  • longer endurance as cutting taps
  • higher possible cutting speed
  • steady exactness of dimension and profile
  • high stability of the forming threads
  • high security against fracture
  • no removal of swarf, no jaming of swarf

Application:

for chipless production of internal threads

bright:

  • for nonferrous metal of good ductility
  • for long-chipping nonferrous Metal (Cooper, Brass, Bronze, Alu)
  • Zinc alloys
  • for through and blind holes
Die visible through a larger die.
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