The tapered point of the reamer ensures precise alignment and smooth entry into pre-drilled holes, resulting in efficient and accurate reaming. 1/2inch round shank with three sides ensures a secure grip on the chuck; the safety stop feature prevents over-penetration of the 9/16inch reamer drill bit, ensuring consistent hole size. The comprehensive design of this 9/16inch steel drill bit makes it suitable for professional applications in construction, automotive repair, and industrial projects. Designed with high-quality cutting oil to reduce friction, improve cutting efficiency, and extend tool life. This reamer is easy to clean and maintain, ensuring reliable performance. Ideal for a variety of materials, including steel, metal, wood, plastic, and various alloys, this reamer drill bit ensures precise installation of bolts or rivets. Colour:As Shown Material:steel Package Contents: 1 set x 9/16 drill bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.