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V-COIL STI single-cut tap made of HSS for precise cutting and repair of internal threads
Technical drawing of a V-COIL STI machine tap according to ISO 529 with dimensional details
V-COIL STI single-cut tap made of HSS for precise cutting and repair of internal threads
Technical drawing of a V-COIL STI machine tap according to ISO 529 with dimensional details
STI-Threading Tools

STI Short Machine Tap ISO 529 Form D HSS-G - UNF 1/4 x 28

Item no. 03155

€6.40

in stock - more than 100 pieces available
Application

Application:

for general use

  • non abrasive material up to 900 N/mm²
  • unalloyed and low alloyed steel
  • for thread cutting by hand and machine
  • for through and blind holes
Additional information
Type of thread Unified Fine Thread
Standard ISO 529
Form Form D
Material HSS-G
Tolerance 3B
Size UNF 1/4 x 28
Overall length (L1) 69 mm
Thread length (L2) 19 mm
Core hole diameter (D1) 6.6 mm
Shank diameter (D2) 8.0 mm
Diameter (B) 7.5 mm
Drive connector 6.3 mm
EAN 4022835031550
Item number 03155
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 thread cutting by hand and machine
  • for through and blind holes
Die visible through a larger die.
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