{"id":8112320184500,"title":"MulWark Four Spiral Flute Cobalt Step Drill Bit 1\/4\"-1-3\/8\"","handle":"mulwark-four-spiral-flute-cobalt-step-drill-bit-1-4-1-3-8","description":"\u003ch3\u003eMulWark Four Spiral Flute Cobalt Step Drill Bit\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eComplete Industrial Sizing System:Comprehensive set includes 13-step (1\/8\"-1\/2\") great for electronics enclosures, 12-step(3\/16\" to 7\/8\")suitable for combination of range and density, 9-step (1\/4\"-3\/4\") for machinery assembly and oversize 4-step (up to 1-3\/8\") for industrial equipment.\u003c\/li\u003e\n \u003cli\u003eIndustrial-Grade Durability:Engineered with premium M35 high-speed steel, our unibit step drill bits withstand rigorous factory production line use. Proven to maintain peak performance through 8+ hours of continuous drilling on hardened steel, stainless steel, and industrial metal sheets - reducing downtime for tool replacement.\u003c\/li\u003e\n \u003cli\u003e89HRC3 Coating for Heavy-Duty Protection:The industrial aluminum nitride coating (89HRC3 hardness) delivers superior heat resistance for extended drilling sessions. Ideal for high-volume stainless steel part manufacturing, maintaining sharpness through 500+ holes to minimize consumable replacement costs.\u003c\/li\u003e\n \u003cli\u003ePrecision Engineering for Mass Production:118 split-point design with self-centering action enables rapid hole positioning - perfect for automotive components and machinery parts manufacturing. Hex shank compatibility with all industrial power tools increases production output to 300+ precision holes per shift.\u003c\/li\u003e\n \u003cli\u003eMulti-Process Manufacturing Solution:Four-flute spiral design efficiently clears metal chips during continuous operation. Works seamlessly with HVAC systems, electrical panels, and plumbing installations. 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Proven to maintain peak performance through 8+ hours of continuous drilling on hardened steel, stainless steel, and industrial metal sheets - reducing downtime for tool replacement.\u003c\/li\u003e\n \u003cli\u003e89HRC3 Coating for Heavy-Duty Protection:The industrial aluminum nitride coating (89HRC3 hardness) delivers superior heat resistance for extended drilling sessions. Ideal for high-volume stainless steel part manufacturing, maintaining sharpness through 500+ holes to minimize consumable replacement costs.\u003c\/li\u003e\n \u003cli\u003ePrecision Engineering for Mass Production:118 split-point design with self-centering action enables rapid hole positioning - perfect for automotive components and machinery parts manufacturing. Hex shank compatibility with all industrial power tools increases production output to 300+ precision holes per shift.\u003c\/li\u003e\n \u003cli\u003eMulti-Process Manufacturing Solution:Four-flute spiral design efficiently clears metal chips during continuous operation. Works seamlessly with HVAC systems, electrical panels, and plumbing installations. Includes magnetic step drill bits for improved metalworking efficiency.\u003c\/li\u003e\n \u003c\/ul\u003e"}