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Roughing Taps


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STI Tap Style 1

Roughing Unified Coarse Thread STI Taps

(7)
Straight Flute Taps. Widely used for general hand and machine tapping operations. Available in sizes up to 1-1/2".
  • Plug Style-(4 Thread Chamfer). Used in thru holes and blind holes that allow for ample chip clearance. Easier to start and require less tapping torque than bottoming taps.
  • Bottoming Style - (2 Thread Chamfer). Used in blind holes drilled to a minimum depth that requires threads be close to the bottom of the hole.


Spiral Pointed- Plug & Spiral Flute. Used for efficient chip disposal in production tapping operations. Available in sizes upto 1/2".
  • Spiral Pointed - Plug (4 Thread Chamfer).Widely used in long thru holes and blind holes with ample chip clearance. ...
STI Tap Style 1

Metric Coarse Roughing STI Taps

(7)
Straight Flute Taps. Widely used for general hand and machine tapping operations. Available in sizes up to 39 mm.
  • Plug Style-(4 Thread Chamfer).Used in thru holes and in blind holes that allow for ample chip clearance. Easier to start and require less tapping torque than bottoming taps.
  • Bottoming Style-(2 Thread Chamfer).Used in blind holes drilled to a minimum depth that requires threads be close to the bottom of the hole.
Spiral Pointed - Plug & Spiral Flute. Used for efficient chip disposal in production tapping operations. Available in sizes up to 12 mm.
  • Spiral Pointed - Plug (4 Thread Chamfer). Used widely in long thru holes and blind holes with ample chip clearance. ...
STI Tap Style 1

Roughing Unified Fine Thread STI Taps

(8)
Straight Flute Taps. Widely used for general hand and machine tapping operations. Available in sizes up to 1-1/2".
  • Plug Style-(4 Thread Chamfer). Used in thru holes and blind holes that allow for ample chip clearance. Easier to start and require less tapping torque than bottoming taps.
  • Bottoming Style - (2 Thread Chamfer). Used in blind holes drilled to a minimum depth that requires threads be close to the bottom of the hole.


Spiral Pointed- Plug & Spiral Flute. Used for efficient chip disposal in production tapping operations. Available in sizes upto 1/2".
  • Spiral Pointed - Plug (4 Thread Chamfer).Widely used in long thru holes and blind holes with ample chip clearance. ...
STI Tap Style 1

Metric Fine Roughing STI Taps

(11)
Straight Flute Taps. Widely used for general hand and machine tapping operations. Available in sizes up to 39 mm.
  • Plug Style-(4 Thread Chamfer).Used in thru holes and in blind holes that allow for ample chip clearance. Easier to start and require less tapping torque than bottoming taps.
  • Bottoming Style-(2 Thread Chamfer).Used in blind holes drilled to a minimum depth that requires threads be close to the bottom of the hole.
Spiral Pointed - Plug & Spiral Flute. Used for efficient chip disposal in production tapping operations. Available in sizes up to 12 mm.
  • Spiral Pointed - Plug (4 Thread Chamfer). Used widely in long thru holes and blind holes with ample chip clearance. ...