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The TITAN USA TC19257 is a solid carbide jobber-length drill bit in wire gauge size No. 57, with a decimal diameter of 0.0430 inches and a 118-degree standard point angle. Built from solid carbide with a bright uncoated finish, this bit delivers the rigidity and wear resistance required for consistent, accurate hole-making in small-diameter applications. The two-flute regular spiral design promotes efficient chip evacuation in shallow drilling passes. At 1.5 inches overall length with a 0.75-inch flute length, it is sized for precision work in tight access areas. Licensed HVAC technicians, electricians, plumbers, and general metalworkers rely on carbide construction when drilling through aluminum, copper, and other non-ferrous materials where high-speed steel bits wear prematurely.
This drill bit is designed for general-purpose drilling in aluminum, non-ferrous metals, and similar materials classified under material codes P, M, K, N, and S. It fits standard drill chucks accepting a 0.0430-inch straight cylindrical shank. The 17xD flute-to-diameter ratio makes it well suited for through-hole drilling in sheet stock, tubing, and light structural components common in HVAC equipment, electrical enclosures, and plumbing fixture fabrication. The TC19 series targets production and service applications where dimensional consistency and drill longevity in small wire-gauge sizes are priorities.
Designed as a general-purpose replacement or stocking drill bit for any standard drill chuck or collet accepting a 0.0430-inch straight shank, within the TITAN USA TC19 series for wire-gauge small-diameter drilling applications.
Machinists, HVAC fabricators, and electricians typically install or use this bit in benchtop drill presses, hand drills, or CNC spindles rated for the appropriate RPM range for carbide tooling at this diameter. Secure the shank fully in the chuck before operation and verify zero runout to prevent tip breakage, as solid carbide is brittle under lateral loading. Do not use this bit on hardened steel or masonry. Keep cutting speeds appropriate for carbide in non-ferrous material and avoid coolant-free dry cutting at elevated feeds that can overheat and crack the substrate.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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