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

T640 • DIN 371 and 376 • Form C Semi-Bottoming Chamfer • Machine Screw and Fractional

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

Features and benefits

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

Uses and application

  • Tapping: Through HoleTapping: Through Hole
  • 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
  • Flood Coolant: TappingFlood Coolant: Tapping
  • Class of Fit: 2BXClass of Fit: 2BX
  • 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 (15)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (15)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (15)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (15)
  • N Non-Ferrous Materials (15)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%
      (15)
    • N4
      Copper, Brass, Zinc-based on machinability index range of 70-100
      (15)
Applications
Applications
  • Tapping Blind Hole Tapping Blind Hole (15)
  • Tapping Through Hole Tapping Through Hole (15)
  • Threading Threading (15)
Cutting Length
Cutting Length
  • 9.0 mm (2)
  • 10.0 mm (3)
  • 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
  • 0.354 in (2)
  • 0.394 in (3)
  • 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 (8)
  • UNF (7)
Thread Size
Thread Size
  • 1/2 - 13 (1)
  • 1/2 - 20 (1)
  • 1/4 - 20 (1)
  • 1/4 - 28 (1)
  • 10 - 24 (1)
  • 10 - 32 (1)
  • 3/8 - 16 (1)
  • 3/8 - 24 (1)
  • 5/16 - 18 (1)
  • 5/16 - 24 (1)
  • 6 - 32 (1)
  • 6 - 40 (1)
  • 7/16 - 14 (1)
  • 7/16 - 20 (1)
  • 8 - 32 (1)
Thread Tolerance Class ANSI
Thread Tolerance Class ANSI
  • 2BX (5)
  • 3BX (10)
Number of Flutes
Number of Flutes
  • 3 (5)
  • 4 (10)
Application
Tap Standard
Tap Standard
  • DIN 371 (11)
  • 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 (3)
  • 28.0 mm (1)
  • 32.0 mm (3)
  • 40.0 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 (3)
  • 1.102 in (1)
  • 1.26 in (3)
  • 1.575 in (1)
Thread TPI Min to Thread TPI Max
Back-End
Back-End Diameter
Back-End Diameter
  • 4.0 mm (2)
  • 4.5 mm (1)
  • 6.0 mm (2)
  • 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
  • 0.157 in (2)
  • 0.177 in (1)
  • 0.237 in (2)
  • 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
5212248 T640NC#06-32R2BX-D1 T640NC#06-32R2BX-D1 KP6525 6 - 32 56.0000 2.205 9.0000 .3540 20.0000 .7870 4.0 .1575 3 DIN 371 2BX
    List price:
    $57.66 /each.
    Your price::
    Qty
    5212249 T640NC#08-32R2BX-D1 T640NC#08-32R2BX-D1 KP6525 8 - 32 63.0000 2.480 10.0000 .3940 21.0000 .8270 4.5 .1772 3 DIN 371 2BX
      List price:
      $56.96 /each.
      Your price::
      Qty
      5212270 T640NC#10-24R2BX-D1 T640NC#10-24R2BX-D1 KP6525 10 - 24 70.0000 2.756 10.0000 .3940 25.0000 .9840 6.0 .2362 3 DIN 371 2BX
        List price:
        $60.52 /each.
        Your price::
        Qty
        5212272 T640NC02500-20R3BX-D1 T640NC02500-20R3BX-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:
          $65.37 /each.
          Your price::
          Qty
          5212273 T640NC03125-18R3BX-D1 T640NC03125-18R3BX-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:
            $56.07 /each.
            Your price::
            Qty
            5212274 T640NC03750-16R3BX-D1 T640NC03750-16R3BX-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:
              $71.03 /each.
              Your price::
              Qty
              5212275 T640NC04375-14R3BX-D6 T640NC04375-14R3BX-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:
                $93.56 /each.
                Your price::
                Qty
                5212276 T640NC05000-13R3BX-D6 T640NC05000-13R3BX-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:
                  $95.42 /each.
                  Your price::
                  Qty
                  5212277 T640NF#06-40R2BX-D1 T640NF#06-40R2BX-D1 KP6525 6 - 40 56.0000 2.205 9.0000 .3540 20.0000 .7870 4.0 .1575 3 DIN 371 2BX
                    List price:
                    $57.66 /each.
                    Your price::
                    Qty
                    5212279 T640NF#10-32R2BX-D1 T640NF#10-32R2BX-D1 KP6525 10 - 32 70.0000 2.756 10.0000 .3940 25.0000 .9840 6.0 .2362 3 DIN 371 2BX
                      List price:
                      $59.82 /each.
                      Your price::
                      Qty
                      5212281 T640NF02500-28R3BX-D1 T640NF02500-28R3BX-D1 KP6525 1/4 - 28 80.0000 3.149 13.0000 .5120 30.0000 1.181 7.0 .2756 4 DIN 371 3BX
                        List price:
                        $65.37 /each.
                        Your price::
                        Qty
                        5212282 T640NF03125-24R3BX-D1 T640NF03125-24R3BX-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:
                          $56.07 /each.
                          Your price::
                          Qty
                          5212283 T640NF03750-24R3BX-D1 T640NF03750-24R3BX-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:
                            $71.03 /each.
                            Your price::
                            Qty
                            5212284 T640NF04375-20R3BX-D6 T640NF04375-20R3BX-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:
                              $93.56 /each.
                              Your price::
                              Qty
                              5212285 T640NF05000-20R3BX-D6 T640NF05000-20R3BX-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:
                                $95.42 /each.
                                Your price::
                                Qty
                                List price:
                                Discount: %
                                Your price::
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                                Grades

                                • KP6525
                                  K Cast Iron
                                  N Non-Ferrous

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