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High-quality intermediate threading tap made of steel with sharp cutting edges for internal threads, suitable for manual and machine use.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
High-quality intermediate threading tap made of steel with sharp cutting edges for internal threads, suitable for manual and machine use.
Technical drawing of a VÖLKEL thread tap with labeled diameters and lengths.
UNF (Unified fine) left hand

Hand Tap Second ISO 529 Form D HSS-G left hand thread - UNF 1/4 x 28 LH

Item no. 82350-2

€7.80

2 weeks delivery time
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 ISO 529
Form Form D
Material HSS-G
Tolerance 2B
Size UNF 1/4 x 28 LH
Overall length (L1) 66 mm
Thread length (L2) 19 mm
Core hole diameter (D1) 5.5 mm
Shank diameter (D2) 6.3 mm
Drive connector 5.0 mm
Item number 82350-2
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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