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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.
BSF (brit. standard fine)

Hand Tap Bottoming ISO 529 Form C HSS-G - BSF 1/4 x 26

Item no. 85414-3

€5.10

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 British Standard Fine Thread
Standard ISO 529
Form Form C
Material HSS-G
Tolerance medium
Size BSF 1/4 x 26
Overall length (L1) 66 mm
Thread length (L2) 19 mm
Core hole diameter (D1) 5.2 mm
Shank diameter (D2) 6.3 mm
Drive connector 5.0 mm
Item number 85414-3
Type of flute straight fluted
Application for blind holes
Thread standard BS 84

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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