Minimum Size Thread
04 = No.4 - 0.112” (0440316-40 Pitch Tool)
06 = No.6 - 0.138” (0632316-32 Pitch Tool)
08 = No.8 - 0.164” (0832316-32 Pitch Tool)
10 = No.10 - 0.190” (1024316-24 Pitch Tool)
12 = No.12 - 0.216” (1224316-24 Pitch Tool)
14 = 1 /4” - 0.250”
516 = 5/16” - 0.3125”
38 = 3/8” - 0.375”
716 = 7/16” - 0.4375”
12 = 1 /2” - 0.500” (121338-13 Pitch Tool)
916 = 9/16” - 0.5625”
58 = 5/8” - 0.625”
1116 = 11/16” – 0.6875”
34 = 3 /4” – 0.750”
78 = 7 /8” – 0.875”
01 = 1” – 1.000”
M6 = 6.0mm (Shank Diameter is in Inch Sizes)
M30 = 30.0mm (Shank Diameter is in Inch Sizes)
EM6 = 6.0mm (Shank Diameter is in MM Sizes)
EM30 = 30.0mm (Shank Diameter is in MM Sizes)

Shank Size
316 = Shank ø0.1875”
14 = Shank ø0.250”
516 = Shank ø0.3125”
38 = Shank ø0.375”
12 = Shank ø0.500”
58 = Shank ø0.625”
34 = Shank ø0.750”
01 = 1” – 1.000”

Metric Shank Thread Mills (EM)
06 = Shank ø6.0mm
08 = Shank ø8.0mm
10 = Shank ø10.0mm
12 = Shank ø12.0mm
16 = Shank ø16.0mm
20 = Shank ø20.0mm
25 = Shank ø25.0mm

Tool Style Description
1CS = Solid Carbide Straight UN or MM Thread Form, 4 Flutes
1CSF6 = Solid Carbide Straight UN or MM Thread Form, 6 Flutes
1C = Carbide Cutting Edge Brazed on Steel Shank Straight
          UN or MM Thread Form, 4 Flutes
1CRL25 = Carbide Cutting Edge Brazed on Steel Shank
          Straight, Relief for 2.5” Reach, 4 Flutes
1CSSF6 = Solid Carbide Straight Brazed in Steel Shank,
          Coolant Through, 6 Flutes
1CSNPT = Solid Carbide Straight NPT Thread Form, 4 Flutes
1CSNPTF6 = Solid Carbide Straight NPT Thread Form,6 Flutes
1CSNPTF = Solid Carbide Straight NPTF Thread Form,4 Flutes
1CSNPTFF6 = Solid Carbide Straight NPTF Thread Form,6 Flutes
1CSNPSF = Solid Carbide Straight NPSF Thread Form,4 Flutes
1CNPSF = Carbide Cutting Edge Brazed on Steel Shank
          Straight NPSF Thread Form, 4 Flutes
1CSBSP = Solid Carbide Straight BSP Thread Form, 4 Flutes
1CBSP = Carbide Cutting Edge Brazed on Steel Shank
          Straight BSP Thread Form, 4 Flutes
1CSBSPT = Solid Carbide Straight BSPT Thread Form, 4 Flutes
1CBSPT = Carbide Cutting Edge Brazed on Steel Shank
          Straight BSPT Thread Form, 4 Flutes
1CSF3BH = Solid Carbide Helical UN or MM Internal Thread
          Form, 3 Flutes
1CSF3AH = Solid Carbide Helical UN or MM External
          Thread Form, 3 Flutes
1CSBH = Solid Carbide Helical UN or MM Internal Thread
          Form, 4 Flutes
1CSAH = Solid Carbide Helical UN or MM External Thread
          Form, 4 Flutes
1CSNPTH = Solid Carbide Helical NPT Thread Form, 4 Flutes
1CSBSPH = Solid Carbide Helical BSP Thread Form, 4 Flutes
1CSBSPTH = Solid Carbide Helical BSPT Thread Form, 4 Flutes