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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.
NPT - NPF (tapered)

Hand Tap Bottoming JIS B-4430 Form C HSS-G - NPF 1/4 x 18

Item no. 99474

€21.40

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 NPF
Standard JIS B-4430
Form Form C
Material HSS-G
Tolerance medium
Size NPF 1/4 x 18
Overall length (L1) 62 mm
Thread length (L2) 28 mm
Core hole diameter (D1) 12.1 mm
Shank diameter (D2) 11.0 mm
Drive connector 9.0 mm
EAN 4022835994749
Item number 99474
Type of flute straight fluted
Application for through and blind holes
Thread standard ANSI

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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