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Beyond™ Straight-Flute HSS-E-PM Taps • Blind Holes
Beyond™ Straight-Flute HSS-E-PM Taps • Blind Holes
Beyond™ Straight-Flute HSS-E-PM Taps • Blind Holes
Beyond™ Straight-Flute HSS-E-PM Taps • Blind Holes
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T641 • DIN 371 and 376 • Form C Semi-Bottoming Chamfer • Through Coolant • Machine Screw and Fractional

Beyond™ Straight-Flute HSS-E-PM Taps • Blind Holes

Metric
Inch
SAP Material Number5212287
ISO Catalog NumberT641NC03125-18R3BX-D1
ANSI Catalog NumberT641NC03125-18R3BX-D1
GradeKP6525
[D1-TDZ] Thread Diameter Size5/16 - 18
[L] Overall Length 90 mm
[L] Overall Length 3.543 in
[L3] Thread Length 13 mm
[L3] Thread Length .512 in
[L2] Useable Length 35 mm
[L2] Useable Length 1.378 in
[D] Adapter / Shank / Bore Diameter8 mm
[D] Adapter / Shank / Bore Diameter.315 in
[Z] Number of Flutes4
Dimension StandardDIN 371
Thread Tolerance Class ANSI3BX
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Uses and application

  • Threading: Blind HoleThreading: Blind Hole
  • DIN number 371DIN number 371
  • DIN number 376DIN number 376
  • Chamfer Form C (2–3)Chamfer Form C (2–3)
  • HSS-E-PMHSS-E-PM
  • Class of Fit: 3BXClass of Fit: 3BX
  • Through Coolant: Axial: TappingThrough Coolant: Axial: Tapping
  • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
  • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC
  • Tapping Helix Angle: 0°Tapping Helix Angle: 0°

Workpiece Materials

K Cast Iron
N Non-Ferrous

Features and benefits

  • KP6525 TiCN + TiN for cast iron and cast aluminum.

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