Spiral Fluted Bottoming Tap
BALAX 1/2-20 H5 3FLUTE TiCN Coated Spiral Flute Bottoming Taps

Spiral Fluted Bottoming Tap

Made In The USA
Item #: 12-865-032
Brand: BALAX
Size Type: ANSI
Thread Size: 1/2"-20
Thread Limit: H5

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  • May provide better wear resistance than TiN.
  • Provides for extended tap life.
  • Spiral flute draws the chips out of a tapped hole where most chip evacuation is a problem.


  • For high performance tapping.
  • Excels on steel, stainless, and non-ferrous materials.
  • Low carbon steel <20Rc.
  • 300 series stainless steel.
  • Wrought aluminum alloys.
  • Aluminum and zinc diecast.
  • Magnesium, copper & brass.


  • Powder metal construction for additional torsional strength and wear.
  • CNC fluted for consistent edge geometry.
  • High helix design for chip evacuation.
  • Titanium carbonite (TiCN) coating.
Product Specifications
Size Type ANSI
Thread Size 1/2"-20
Thread Limit H5
Chamfer Style Bottoming
No. of Flutes 3
Finish Coating TiCN
Tool Material Powdered Metal High Speed Steel
Cutting Direction Right Hand
Flute Length 1"
Flute Shape Spiral Flute
H Limit H5
Helix Angle & Style 45°
Material To Be Machined Steels, stainless & non-ferrous materials
Limit H5
Model # 40175-0Pc
OC_Stainless X
Overall Length 3-3/8"
Prop. 65 Yes
Pitch 20
Series BX200
Shank Diameter .367"
Shank Type Square shank
Size 1/2"
Square Size .275"
Thread Direction Right Hand
Thread Length 1"
Type Spiral Fluted Bottoming Tap
weight 0.088 lbs
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

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