Features: High hardness, fast cutting, wear high temperature. Straight Flute is conducive to remove crumbs, not easily broken tap. Spiral Tap the crumbs into a spiral up chip evacuation. It is more suitable for the processing of blind holes and sticky materials processing. Applies to stainless steel, iron, cast iron, alloy steel, carbon steel, abrasive steel, malleable cast iron and other difficult to machine metal materials. Good abrasion resistance, long service life. Sharp knife head, smooth without burr. Specifications: Material：HSS. Model:BSP3/4. Package included: 1x Screw Tap. .
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