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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

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

Features and benefits

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

Uses and application

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

Workpiece Materials

K Cast Iron
N Non-Ferrous
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Workpiece Material
Workpiece Material
  • K Cast Iron (10)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (10)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (10)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (10)
  • N Non-Ferrous Materials (10)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
      (10)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100
      (10)
Applications
Applications
  • Tapping Blind Hole Tapping Blind Hole (10)
  • Threading Threading (10)
Cutting Length
Cutting Length
  • 13.0 mm (4)
  • 15.0 mm (2)
  • 16.0 mm (2)
  • 20.0 mm (2)
Cutting Length Min to Cutting Length Max
Cutting Length
Cutting Length
  • 0.512 in (4)
  • 0.591 in (2)
  • 0.63 in (2)
  • 0.787 in (2)
Cutting Length Min to Cutting Length Max
Type of Thread
Type of Thread
  • UNC (5)
  • UNF (5)
Thread Size
Thread Size
  • 1/2 - 13 (1)
  • 1/2 - 20 (1)
  • 1/4 - 20 (1)
  • 1/4 - 28 (1)
  • 3/8 - 16 (1)
  • 3/8 - 24 (1)
  • 5/16 - 18 (1)
  • 5/16 - 24 (1)
  • 7/16 - 14 (1)
  • 7/16 - 20 (1)
Application
Tap Standard
Tap Standard
  • DIN 371 (6)
  • DIN 376 (4)
Front-End
Thread TPI
Thread TPI
  • 13.0 mm (1)
  • 14.0 mm (1)
  • 16.0 mm (1)
  • 18.0 mm (1)
  • 20.0 mm (3)
  • 24.0 mm (2)
  • 28.0 mm (1)
Thread TPI Min to Thread TPI Max
Thread TPI
Thread TPI
  • 0.512 in (1)
  • 0.551 in (1)
  • 0.63 in (1)
  • 0.709 in (1)
  • 0.787 in (3)
  • 0.946 in (2)
  • 1.102 in (1)
Thread TPI Min to Thread TPI Max
Back-End
Back-End Diameter
Back-End Diameter
  • 7.0 mm (2)
  • 8.0 mm (4)
  • 9.0 mm (2)
  • 10.0 mm (2)
Back-End Diameter Min to Back-End Diameter Max
Back-End Diameter
Back-End Diameter
  • 0.276 in (2)
  • 0.315 in (4)
  • 0.354 in (2)
  • 0.394 in (2)
Back-End Diameter Min to Back-End Diameter Max
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SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [D1-TDZ] Thread Diameter Size [L] Overall Length [L] Overall Length [L3] Thread Length [L3] Thread Length [L2] Useable Length [L2] Useable Length [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter [Z] Number of Flutes Dimension Standard Thread Tolerance Class ANSI
5212286 T641NC02500-20R3BX-D1 T641NC02500-20R3BX-D1 KP6525 1/4 - 20 80.0000 3.150 13.0000 .5120 30.0000 1.181 7.0 .2756 4 DIN 371 3BX
    List price:
    $82.37 /each.
    Your price::
    Qty
    5212287 T641NC03125-18R3BX-D1 T641NC03125-18R3BX-D1 KP6525 5/16 - 18 90.0000 3.543 13.0000 .5120 35.0000 1.378 8.0 .315 4 DIN 371 3BX
      List price:
      $70.49 /each.
      Your price::
      Qty
      5212288 T641NC03750-16R3BX-D1 T641NC03750-16R3BX-D1 KP6525 3/8 - 16 100.0000 3.937 16.0000 .6300 39.0000 1.535 10.0 .3937 4 DIN 371 3BX
        List price:
        $89.72 /each.
        Your price::
        Qty
        5212289 T641NC04375-14R3BX-D6 T641NC04375-14R3BX-D6 KP6525 7/16 - 14 100.0000 3.937 15.0000 .5910 41.0000 1.614 8.0 .315 4 DIN 376 3BX
          List price:
          $117.42 /each.
          Your price::
          Qty
          5212290 T641NC05000-13R3BX-D6 T641NC05000-13R3BX-D6 KP6525 1/2 - 13 110.0000 4.331 20.0000 .7870 47.0000 1.850 9.0 .3543 4 DIN 376 3BX
            List price:
            $151.07 /each.
            Your price::
            Qty
            5212291 T641NF02500-28R3BX-D1 T641NF02500-28R3BX-D1 KP6525 1/4 - 28 80.0000 3.150 13.0000 .5120 30.0000 1.181 7.0 .2756 4 DIN 371 3BX
              List price:
              $82.37 /each.
              Your price::
              Qty
              5212292 T641NF03125-24R3BX-D1 T641NF03125-24R3BX-D1 KP6525 5/16 - 24 90.0000 3.543 13.0000 .5120 35.0000 1.378 8.0 .315 4 DIN 371 3BX
                List price:
                $70.49 /each.
                Your price::
                Qty
                5212293 T641NF03750-24R3BX-D1 T641NF03750-24R3BX-D1 KP6525 3/8 - 24 100.0000 3.937 16.0000 .6300 39.0000 1.535 10.0 .3937 4 DIN 371 3BX
                  List price:
                  $89.72 /each.
                  Your price::
                  Qty
                  5212294 T641NF04375-20R3BX-D6 T641NF04375-20R3BX-D6 KP6525 7/16 - 20 100.0000 3.937 15.0000 .5910 41.0000 1.614 8.0 .315 4 DIN 376 3BX
                    List price:
                    $117.42 /each.
                    Your price::
                    Qty
                    5212295 T641NF05000-20R3BX-D6 T641NF05000-20R3BX-D6 KP6525 1/2 - 20 110.0000 4.331 20.0000 .7870 47.0000 1.850 9.0 .3543 4 DIN 376 3BX
                      List price:
                      $121.15 /each.
                      Your price::
                      Qty
                      List price:
                      Discount: %
                      Your price::
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                      Grades

                      • KP6525
                        K Cast Iron
                        N Non-Ferrous

                      Tolerances

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