21/64 IN. X 4-5/8 IN. COBALT DRILL BIT

Manufacturer: Bosch Power Tools

Material #: 2610036867

Model : CO2148

Bosch cobalt drill bits are specially designed for drilling in hard steel. Thick web helix delivers fast material removal combined with increased durability for maximum efficiency and performance. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch.

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$9.79 USD

Availability: Backordered

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Delivered as early as June 8, 2026

Available in jobber length, full shank
Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Rigid, thick web design adds stability to bit in tough applications
Surface hardened to penetrate tough abrasive materials
Withstands high-temperature applications for extended periods of time (up to 1,100°F)

Rexroth Training

21/64 IN. X 4-5/8 IN. COBALT DRILL BIT

Manufacturer: Bosch Power Tools

Material #: 2610036867

Model : CO2148

Availability: Backordered

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