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The TITAN USA CD66605 is a high-speed steel extra length drill bit designed for drilling deep holes where standard-length bits cannot reach. Measuring 13/64 inch (0.2031 inch) in diameter with an overall length of 8 inches and a flute length of 5.5 inches, this bit provides extended reach in a straight-shank format. The 118-degree standard point angle suits general-purpose drilling in a wide range of materials including mild steel, aluminum, wood, and plastics. The bright finish indicates no additional coating, keeping the surface true to the base HSS material. Two spiral flutes evacuate chips efficiently during cutting.
This extra length drill bit is suited for residential and commercial applications where deep access is required, such as drilling through structural members, deep metal stock, or framing components during HVAC, plumbing, electrical, and general mechanical installation work. Trades including electricians, plumbers, and HVAC technicians reach for extended-length bits when working through thick assemblies or when standard bits fall short. Each package contains one bit, making it easy to stock singles or build out a set by size.
Designed as an OEM-style replacement or supplemental tooling for use with standard 3-jaw drill chucks accepting straight-shank bits sized at 0.2031 inch shank diameter.
Installation of this bit should be performed by a qualified tradesperson familiar with rotary drilling operations. Secure the straight shank fully in the chuck before operation and verify the chuck key is removed prior to starting the drill. Use appropriate cutting fluid when drilling ferrous metals to extend bit life and reduce heat buildup. Follow applicable workplace safety standards and personal protective equipment requirements when operating drilling equipment.
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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