The Hanson 63221 Cobalt Drill Bit Set provides a comprehensive range of professional-grade bits designed for demanding drilling applications in automotive and industrial settings. This 21-piece fractional set features an 8% cobalt alloy construction, delivering exceptional hot hardness and abrasion resistance for extended tool life in challenging materials. Each bit is engineered to begin drilling immediately, minimizing bit "walk" and ensuring precise hole placement from the start.
Key Features
- 135° Split Point: Engineered to start drilling on contact, preventing bit "walk" and ensuring accurate hole initiation without the need for a pilot hole.
- 8% Cobalt Alloy: Offers significantly increased hot hardness and superior abrasion resistance, making these bits ideal for cutting through tough and abrasive materials.
- Heavy-Duty Web Construction: Provides enhanced strength and durability across the entire bit, reducing breakage and increasing overall tool lifespan under rigorous use.
- Professional-Grade Durability: Built to withstand the demands of professional automotive repair, industrial fabrication, and maintenance tasks.
- Comprehensive Fractional Set: Includes a full range of 21 essential fractional sizes, ensuring the right bit is available for a wide array of drilling needs.
Applications
This Hanson Cobalt Drill Bit Set is highly recommended for professional technicians and mechanics working with exceptionally tough materials. It excels in drilling hardened steel, super alloys, titanium, and various grades of stainless steel commonly encountered in engine work, chassis fabrication, industrial machinery repair, and other critical applications where standard HSS bits may falter. The superior material composition ensures reliable performance in high-stress drilling scenarios.
Set Includes
1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", and 3/8" drill bits.
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