Purchase the right tools for all of your reaming needs. Use our Irwin Tools Unibit 20-step drill bit with materials up to 1/8 inch thick. This powerful drill bit is a great tool for use in mounting and fastener application on your aircraft or other machinery. The options are truly endless with the Irwin Tools Unibit. Reaming allows for a more precise diameter than a standard twist drill. This 20-step bit also creates smoother edges than ever.
Slice through sheet metal with ease using this Irwin Tools bit. The Unibit 20 has a 1/2 inch shank and drills 13/16 to 1-3/8 inch diameters in 1/16 inch steps. Each step leads to a perfect hole for your fasteners or mounting applications. Try an Irwin Tools drill bit for effective drilling with little elbow grease. Find the tools you need to maintain and repair your aircraft and other machinery at budget-friendly prices from SkyGeek.