OSG

OSG 1715408 1/4-28, UNC, H2, Spiral Point STI Tap

OSG 1715408
$43.84 / EA
Out of Stock
  • Thread Size: 1/4-28
  • Number of Flutes: 3
  • Finish/Coating: V-Coated
  • Chamfer Type: 4.5P-5.5P Plug
  • Material: VC-10
  • Measurement System: Imperial
  • Overall Length - Decimal: 2.72 mm
  • Series: 314/V-HL-POT
  • Shank Diameter - Decimal: 0.317 in
  • Square Size: 0.342 in L x 0.238 in W
  • Thread Length: 0.838 in
  • Thread Standard: UNC
  • Overall Length: 2-23/32 in

EXOTAP® VC-10 is the premium solution for tapping helicoil (STI) threads in difficult to machine materials.

  • Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads. VC 10 substarte is a multi-layered TiCN coating that is harder and has greater wear resistance than TiN. It is used for applications in cast iron, steel, stainless steel, nickel alloys and aluminum.VC 10 substarte is a proprietary coating exclusive to OSG Tap and Die, Inc.

Application:Alloy Steels, SS 17-4PH, Hardened Steel ~35HrCDie Steels, Titanium, Inconel, SS 400, Hardened Steel 35-45 HrCAerospace, Medical, Oil & Gas

OSG 1715408 1/4-28 | UNC | H2 | 3 | 4.5P - 5.5P | Spiral Point STI Tap