YMW ZELX TI 1/4"-20 H5 Plug Spiral Flute Tap
YMW ZELX TI 1/4-20 H5 Plug Spiral Flute Tap

YMW ZELX TI 1/4"-20 H5 Plug Spiral Flute Tap

Item #: 12-018-076
Brand: YMW
Size Type: ANSI
Thread Size: 1/4"-20
Thread Limit: H5

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  • Made from a PM high speed steel material to provide increased productivity as well as increased tap life while tapping titanium.
  • Powder metal offers superior wear resistance and exceptional toughness for greater performance than regular high speed steel and their unique geometry ensure consistent performance, superior thread quality and excellent tool life for lower costs.


  • Left hand spiral flute design is specifically designed to tap right hand threads in titanium and titanium alloys.
  • The left hand slow spiral makes this series of taps ideal for through hole tapping of right hand threads.


  • Taps have a nitride surface toughening treatment.
  • 4 to 6 threads chamfered.
  • Right hand cut.
  • Left hand spiral.
Product Specifications
Brand YMW
Size Type ANSI
Thread Size 1/4"-20
Thread Limit H5
Chamfer Style Plug
No. of Flutes 3
Finish Coating Nitride Surface Toughening Treatment
Tool Material Powdered Metal High Speed Steel
Cutting Direction Right Hand
Chamfer Plug 4.5-6 Thread Chamfer
Flute Shape Slow Spiral Flute
Coating Nitride Surface Toughening Treatment
Hole Style Through
Model # 385643
Limit H5
Pitch Form & Profile 60°
No. of Threads Per Inch 20
Pitch Tolerance +.00025"/-.00000"
Prop. 65 Yes
Pitch 20
Series ZELX TI
Shank Diameter 0.255"
Shank Type Square Shank
Size 1/4"
Thread Length 0.591"
Tolerance Class UNC
Tolerance_Overall Length ±.31"
Size_Combination 1/4"-20
Tolerance_Shank -.0015"
Tolerance_Shank Square -.004"
Type Spiral Fluted Tap
Weight 0.03125 lbs.
Workpiece Material For Titanium, Titanium Alloys, Magnesium and Beryllium Copper
Country of Origin JAPAN
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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