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$221.99
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$221.99
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SPECIFICATIONS
A thread cutting screw with machine screw thread pitch, blunt point, tapered entering threads and multiple cutting edges. Applications/Advantages: Steel thread-cutters are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. Stainless screws offer additional resistance to corrosion, 18-8 more so than 410. When using any thread-cutting screw, the material in which the threads are cut should have a lower hardness by at least 10 to 20 Rockwell hardness points.