Norseman Drill & Tool Fractional Sizes Type 230 Twist Drill Bit
Engineered for Automotive Precision and Industrial Strength
The Norseman Drill & Tool Fractional Sizes Type 230 Twist Drill Bit is purpose-built for high-performance drilling in demanding automotive and industrial environments. Proudly made in the USA from premium high-speed steel (HSS), this heavy-duty drill bit delivers outstanding strength, heat resistance, and precision—making it ideal for repetitive drilling in cast iron, alloy steel, aluminum, and other commonly used automotive materials.
Built for Power-Feed Drilling Machines
The defining feature of the Type 230 series is its tanged shank, engineered specifically for power-feed drill motors. This tang design ensures a secure, slip-free connection that withstands torque-heavy, high-production workflows. Whether used on assembly lines, in fleet maintenance shops, or during heavy equipment repair, the Type 230 provides consistent engagement and reliability under pressure.
Fast, Accurate Starts with a 135° Split Point
Featuring a 135° split point, the Type 230 offers fast penetration and walk-free starts—eliminating the need for pilot holes. This precision geometry improves alignment on curved, uneven, or hardened surfaces, resulting in cleaner, more accurate holes and improved operator efficiency.
Ideal for Automotive and Industrial Drilling
Available in fractional sizes, this drill bit provides exact hole diameters compatible with standard U.S. fasteners, bolts, and rivets used throughout the automotive and manufacturing industries. Its durable HSS construction ensures long service life even in continuous or high-heat drilling environments.
Key Features
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Tanged shank for secure engagement in power-feed drill motors
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135° split point for fast, walk-free starts
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High-speed steel (HSS) for strength, durability, and heat resistance
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Fractional sizing for compatibility with standard U.S. fasteners
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Ideal for drilling cast iron, steel, aluminum, and automotive alloys
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Made in the USA to strict Norseman quality standards
For automotive professionals, machinists, and industrial technicians, the Norseman Type 230 Fractional Twist Drill Bit offers unmatched durability, precision, and performance—making it an essential tool for demanding drilling applications.
