General description Crafted for seamless operation, this 1/2 inch bridge construction reamer drill bit is specifically designed to align, enlarge, or smooth pre-drilled holes to 1/2 inch. It is perfect for preparing holes for bolts or rivets, offering professional and efficient performance for various projects. Made from M2 high-speed steel, this reamer features five long spiral flutes and precision-ground edges for maximum strength and durability. Its superior efficiency in removing debris makes it suitable for heavy-duty tasks while ensuring long-lasting performance. Technical specifications Material: M2 high-speed steel Shank type: 3-sided round shank Diameter: 1/2 inch Flute design: Five long spiral flutes Measurement allowed error: +/- 1-3 cm Usage Wear suitable safety gear. Mount the reamer drill bit securely in the chuck of your electric or pneumatic tools. Position the bit in the hole, slowly increase speed, maintain pressure, stabilize the tool, and use cutting oil. Decrease