The Iscar .787" Coolant Thru Indexable Drill with a 1" Shank (DCN 0787-394-100A-5D) is a high-quality metalworking tool designed for precision drilling in steel. With a cutting diameter of .787-.826" and a length of cut of 4.056", this drill provides efficient and accurate results. Its coolant through design allows for effective cooling during the drilling process, ensuring optimal performance and extended tool life. The 2 flutes and ICP 200 insert type further enhance the drilling efficiency and accuracy. This product is a reliable choice for professionals in the CNC, metalworking, and manufacturing industries.