Optimized for Steel: Heavy-Duty Performance and Precision
The Rockhard Heavy Duty Jobber Twist Drill Bit is purpose-built for demanding industrial and fabrication work. This specialized bit delivers exceptional power and longevity in high-stress applications, making it the essential choice for professionals drilling into tough carbon and alloy steels.
Material Compatibility: Ideal for heavy-duty applications in steel, carbon steel, and alloy steel.
Key Features for Industrial Reliability:
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135° Split Point (No Center Punch Needed): The aggressive 135-degree split point starts cutting immediately, requiring less thrust and eliminating the need for pre-drilling or a center punch. This saves time and ensures highly accurate hole placement.
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Premium M2 HSS Construction: Manufactured from high-quality M2 High-Speed Steel (HSS), known for its superior toughness and high-stress durability, ensuring peak performance under heavy loads.
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Advanced Black & Gold Oxide Treatment: Features a high-temperature, Black and Gold Oxide wear-resistant surface treatment. This dual coating significantly reduces heat build-up, allows for cooler cutting, and adds lubricity to the bit, extending its working life in hard materials.
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American Quality: Manufactured with precision right here in the USA, guaranteeing consistent quality and reliability on every heavy-duty job.
For extreme precision and durability when drilling steel, trust the Rockhard Heavy Duty Black & Gold Bit.
