YMW ZELX NI 3/4"-16 H5 Bottoming Spiral Flute Tap
YMW ZELX NI  3/4-16 H5 Bottoming Spiral Flute Tap

YMW ZELX NI 3/4"-16 H5 Bottoming Spiral Flute Tap

Item #: 12-016-145
Brand: YMW
Size Type: ANSI
Thread Size: 3/4"-16
Thread Limit: H5

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  • 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.


  • Designed for extended tap life in cobalt, nickel and iron base exotic materials such as: inconel, hastalloy, waspalloy and harder stainless steels, mold and tool steels.
  • 30HRC
  • Suitable for UNJ Aerospace internal threading applications.
  • For blind holes.


  • Taps have an oxide and nitride surface toughening treatment.
  • 3-4 threads chamfered.
Product Specifications
Brand YMW
Size Type ANSI
Thread Size 3/4"-16
Thread Limit H5
Chamfer Style Modified Bottoming
No. of Flutes 4
Finish Coating Black Oxide
Tool Material Powdered Metal High Speed Steel
Cutting Direction Right Hand
Chamfer Bottoming 3-4 Thread Chamfer
Coating Oxide Nitride Surface Toughening Treatment
Flute Shape Spiral Flute
Hole Style Blind Hole
Model # 387558
Limit H5
Overall Length 4-1/4"
No. of Threads Per Inch 16
Pitch Form & Profile 60°
Pitch Tolerance +.00025"/-.00000"
Pitch 16
Prop. 65 Yes
Series ZELX NI
Shank Diameter 0.59"
Shank Type Square Shank
Size 3/4"
Thread Length 0.591"
Tolerance Class UNF
Tolerance_Overall Length ±.31"
Size_Combination 3/4"-16
Tolerance_Shank -.0015"
Threads Per Inch 16
Tolerance_Shank Square -.004"
Type Spiral Fluted Tap
Weight 0.2813 lbs.
Workpiece Material Cobalt, Nickel and Iron base exotic materials such as: Inconel Hastelloy, Waspalloy and harder Stainless Steels, Mold and Tool Steels.
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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