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Challenge Hollow Paper Drill Bits
These Challenge style paper drill bits are the highest quality available today. These hollow drill bits are machined from one-piece forged bar of high-alloy tool steel. Available in Standard Length or Long Challenge Paper Drills. For even better performance, most bits are available with Teflon or Titanium coating to suit your application. Fluted paper drill bits for Challenge are also available.
Standard Length Hollow Paper Drill Bits for Challenge
Long Hollow Paper Drill Bits for Challenge