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4-40 Spiral Point Plug Tap Steam Oxide H3 class $11.29
4-40 Spiral Point Plug Tap Steam Oxide H3 class
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4-40 Spiral Point Plug Tap Steam Oxide H3 class
Click to enlarge
Item No. 3300-4-40-H3
Price: $11.29
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Product Info - 4-40 Spiral Point Plug Tap Steam Oxide H3 class

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  • Taps made from premium high speed steel
  • Primarily designed for tapping through holes
  • Plug style, chamfer is 5-7 thread pitches long
  • Spiral Point forces the chips ahead of the tap
  • Steam Oxide over Nitride coating resists chip welding, increases lubricity and helps retain cutting fluid
  • Great for high volume tapping in carbon steels up to 38 Rc and stainless steels up to 35 Rc
Product Specifications
Coating:  Steam Oxide
End style:  Plug
Neck Length:  .250
Number of flutes:  2
Shank Size:  .140
Size:  4-40 H3
Square Drive (behind round shank):  .110 square
Thread Length:  .313
Total Length:  1.875
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