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VÖLKEL taper tap for hand threading – precision first cut for metric internal threads, made of durable HSS.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
VÖLKEL taper tap for hand threading – precision first cut for metric internal threads, made of durable HSS.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
G (BSP) Pipe-thread

Hand Tap Rougher DIN 5157 HSS-G - G (BSP) 4" x 11

Item no. 25378-1

€2,475.00

in stock - less 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 Pipe thread
Standard DIN 5157
Material HSS-G
Tolerance medium
Size G (BSP) 4" x 11
Overall length (L1) 180 mm
Thread length (L2) 45 mm
Core hole diameter (D1) 110.5 mm
Shank diameter (D2) 56.0 mm
Drive connector 44.0 mm
Item number 25378-1
Type of flute straight fluted
Application for through and blind holes
Thread standard DIN ISO 228

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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