Thread Milling Cutters

          The Spiralock thread form tools are also available in Thread Milling Cutters, for jobs where larger thread diameters are required. These tools will save handling, set-up, and machining time by threading right in your machining center. Spiralock Thread Milling Cutters can be supplied in shank type or single thread cutters.

  • Easy machining of difficult materials that produces small, controllable chips
  • One cutter can produce varying diameters with the same thread pitch
  • Partial thread removal at start of thread for cleaner assembly
  • Full bottom threading with precise thread depth control
  • Less cutting pressure for thin-walled workpieces
  • One tool for both right and left-hand threads, as well as through or blind holes
  • High cutting speeds and feeds result in better thread quality and lower spindle torque


  • Cutter Dia.

    Pitch

    EDP#

    Flutes

    Nominal Rake

    Overall Length

    Thread Length

    Shank Dia.

    Shank Length

    Neck Dia.

    1/2 “

    10

    14

    16

    18

    20

    20080

    20082

    20083

    20085

    20086

    4

    7.5

    3.250

    1.000

    0.500

    1.780

    0.370

    5/8 “

    9

    14

    20100

    20103

    5

    7.5

    3.650

    1.250

    0.625

    1.910

    0.480

    3/4 “

    7

    8

    12

    14

    16

    18

    20

    20120

    20122

    20126

    20128

    20130

    20132

    20134

    6

    7.5

    3.875

    1.375

    0.750

    2.030

    0.565

    1”

    6

    8

    12

    16

    18

    20

    20140

    20143

    20146

    20149

    20152

    20155

    6

    7.5

    4.250

    1.500

    1.000

    2.280

    0.785

    1 1/4”

    4.5

    5

    6

    8

    12

    16

    20160

    20162

    20165

    20166

    20169

    20171

    7

    7.5

    4.500

    1.750

    1.250

    2.280

    0.990

    1 1/2”

    4

    4.5

    6

    8

    12

    16

    20180

    20181

    20183

    20184

    20186

    20189

    8

    7.5

    5.250

    2.000

    1.500

    2.690

    1.175

    2”

    4

    8

    12

    16

    20220

    20223

    20226

    20229

    8

    7.5

    6.250

    2.500

    2.000

    3.250

    1.675

    Note: Spiralock Thread Milling Cutters are made to order.
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