YMW Zelx NI 1/4"-28 H5 PLUG Spiral Pointed Tap
YMW Zelx NI  1/4-28 H5 PLUG Spiral Pointed Tap

YMW Zelx NI 1/4"-28 H5 PLUG Spiral Pointed Tap

Item #: 12-015-645
Brand: YMW
Size Type: ANSI
Thread Size: 1/4"-28
Type: Zelx NI

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Applications

  • For Nickel Base Alloys, Other Exotic Alloys, Mold and Stainless Steels > 30HRC
  • STI taps are special taps used to prepare holes for the installation of helical coil wire thread inserts

Features

  • Taps have an oxide and nitride surface toughening treatment
Ships direct from factory.
Product Specifications
Brand YMW
Size Type ANSI
Thread Size 1/4"-28
Type Zelx NI
Limit H5
Chamfer Style Plug
No. of Flutes 3
Finish Coating Black Oxide
Chamfer 3-4
Coating Oxide Nitride Surface Toughening Treatment
Cutting Direction Right Hand
Flute Shape Spiral Flute
General Application Screw Thread Insert Tapping
Hole Style Blind Hole
Model # 387445
Overall Length 2-1/2"
Pitch 28
Pitch Form & Profile 60°
Pitch Tolerance +.00025"/-.00000"
Prop. 65 Yes
Size 1/4"
Size_Combination 1/4"-28
Thread Length 0.433"
Thread Type Screw Thread
Tolerance Class UNC
Tolerance_Cutter Diameter ±.31"
Tolerance_Cutting Diameter ±.31"
Tolerance_Overall Length ±.31"
Tolerance_Shank -.0015"
Tolerance_Shank Square -.004"
Tool Material Vanadium High Speed Steel
Type of Hole Blind Hole
Workpiece Material Cobalt, Nickel and Iron base exotic materials such as: Inconel Hastelloy, Waspalloy and harder Stainless Steels, Mold and Tool Steels.
weight 0.125 lbs
Country of Origin JAPAN
Shipping Restrictions UPS SHIP (DROP SHIP ITEM)
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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