Seamlessly and Expertly - The bridge reamer, also known as construction reamers, is used to align or enlarge or smooth Predrilled holes to 1" and fit precisely before installing bolts or rivets. This heavy-duty 1" reamer drill bit is crafted to ensure seamless and expert performance in your projects. Engineered for longevity, our 1" conduit reamer boasts a robust construction using M2 high-speed steel. Its five long tapped right-hand spiral flutes, combined with finely ground edges, enable efficient drilling and debris removal, ensuring reliable performance even under heavy-duty usage. Precision-driven features – Our 1" reamer bit is meticulously designed for optimal performance. Equipped with a round 3-sided shank, a tapered point, and a safe stop mechanism, it guarantees a reliable grip within the chuck, steady reaming of imperfect holes, and automatic drill stoppage once the hole is finished. All-in-one solution – With the ability to handle diverse materials such as steel, metal, alloy aluminum, brass, copper, iron, nickel, plastic, and PVC pipes, our 1" reamer drill bit is a versatile tool for woodworking and metalworking projects. From bridge construction and steel erection to automotive truck trailer maintenance, it's the go-to solution. User Tips: 1. Always wear appropriate safety gear. 2. Securely mount the reamer drill bit in the chuck of your portable electric or pneumatic tools. 3. Position the bit in the Predrilled Hole, gradually increase speed, maintain pressure, keep the tool steady, and add cutting oil. 4. Reduce speed near the desired hole size for a smooth finish.