Dormer E006M4 Spiral Point Taps, AlTiCN Coating, M4, Metric Coarse/Metric Fine, Full Length 2.1/8", Flute Length 0.2484", Shank Diameter 0.1680"
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<b>[Product Information]</b><br>
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<li>Spiral point and straight flutes for cutting threads in through holes</li>
<li>Spiral point pushes chips ahead of tool to reduce clogging</li>
<li>Powdered-metal steel for performance approaching that of solid carbide tools, with the toughness and shock-resistance of high-speed steel</li>
<li>Black oxide finish improves lubricity, resists corrosion, and helps prevent buildup</li>
<li>Plug chamfer for easier starting and correct perpendicular alignment</li>
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