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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.
UNF (Unified fine) left hand

Hand Tap Rougher DIN 2181 HSS-G left hand thread - UNF 1/2 x 20 LH

Item no. 24022-1

€13.20

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 Fine Thread
Standard DIN 2181
Material HSS-G
Tolerance 2B
Size UNF 1/2 x 20 LH
Overall length (L1) 75 mm
Thread length (L2) 24 mm
Core hole diameter (D1) 11.5 mm
Shank diameter (D2) 9.0 mm
Drive connector 7.0 mm
Item number 24022-1
Type of flute straight fluted
Application for through and blind 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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