YMW 1/4"-28 H4 3FL ZELX NI Spiral Pointed Plug Tap
1/4-28 H4 3FL ZELX NI SP PT PLUG TAP-YMW

YMW 1/4"-28 H4 3FL ZELX NI Spiral Pointed Plug Tap

Item #: 12-016-867
Brand: YMW
Size Type: ANSI
Thread Size: 1/4"-28
Thread Limit: H4

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Benefits

  • 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.

Applications

  • 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
  • For through holes.

Features

  • Taps have an oxide and nitride surface toughening treatment.
  • 3 to 5 thread chamfered.
  • Powdered metal high speed steel.
Product Specifications
Brand YMW
Size Type ANSI
Thread Size 1/4"-28
Thread Limit H4
Chamfer Style Plug
No. of Flutes 3
Finish Coating Black Oxide
Tool Material Powdered Metal High Speed Steel
Cutting Direction Right Hand
Chamfer Plug 3-5 Thread Chamfer
Coating Oxide Nitride Surface Toughening Treatment
Flute Shape Straight Flute
Hole Style Through Hole
Coolant Through No
Model # 385531
Overall Length 2-1/2"
Limit H4
Pitch Tolerance +.00025"/-.00000"
No. of Threads Per Inch 28
Prop. 65 Yes
Series ZELX NI
Pitch 28
Shank Diameter 0.168"
Shank Type Square Shank
Pitch Form & Profile 60°
Size 1/4"
Style Spiral Pointed Tap
Thread Length 0.591"
Thread Type 60°
Threads Per Inch 28
Tolerance Class UNF
Size_Combination 1/4"-28
Tolerance_Overall Length ±.31"
Tolerance_Shank -.0015"
Tolerance_Shank Square -.004"
Type Spiral Pointed Tap
Weight 0.03125 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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