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      GT31 • Metric DIN 371 and 376 • Form C Semi-Bottoming Chamfer • Through Coolant

      Victory™ • GT31 • Form C Semi-Bottoming Chamfer • Metric DIN 371 and 376 • Spiral Flute

      SAP Material Number 5143532
      ISO Catalog Number GT315035
      ANSI Catalog Number GT315035
      Grade WU32MG
      [D1-TDZ] Thread Diameter Size M20 X 2,5
      [L] Overall Length 140.0000 mm
      [L] Overall Length 5.510 in
      [L3] Thread Length 25.0000 mm
      [L3] Thread Length .9800 in
      [L2] Useable Length 64.0000 mm
      [L2] Useable Length 2.520 in
      [D] Adapter / Shank / Bore Diameter 16.0 mm
      [D] Adapter / Shank / Bore Diameter .6299 in
      [Z] Number of Flutes 4
      Dimension Standard DIN 376
      Thread Tolerance Class ISO 6HX-I
      See all Product Variants

      Uses and application

      • Tapping: Blind HoleTapping: Blind Hole
      • HSS-E-PMHSS-E-PM
      • Chamfer Form C (2–3)Chamfer Form C (2–3)
      • Tapping Helix Angle: 45°Tapping Helix Angle: 45°
      • DIN number 371DIN number 371
      • DIN number 376DIN number 376
      • Through Coolant: Axial: TappingThrough Coolant: Axial: Tapping
      • Class of Fit: 6HXClass of Fit: 6HX
      • Manufacturer’s Specs: MManufacturer’s Specs: M

      Workpiece Materials

      P Steel
      S High-Temp Alloys

      Features and benefits

      • GM6515 TiN + CrC/C for stainless steel.

      • GP6520 TiCN for steel.


      • WS34MG

        Coated HSS-E-PM, PVD heat and wear-resistant high-vanadium, high-cobalt powder metal HSS-E-PM substrate. Coating consists of low-friction CrC/C over wear-resistant TiN base layer. Used for tapping titanium, titanium alloys, stainless steel, and non-ferrous materials.

        M Stainless Steel
      • WU32MG

        Coated HSS-E-PM, PVD heat- and wear-resistant high-vanadium cobalt powder metal. HSS substrate coated with wear-resistant TiCN base layer. Use in steel, cast iron, cast aluminum with silicon and super alloys.

        P Steel
        S High-Temp Alloys
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