Based on this product's specifications, here are some alternatives and similar models
Drill bit DeWalt DT4945-QZ for metal, length 142 mm, pack of 5
Summary description:
DeWalt DT4945-QZ drill bit designed for metalworking. Solid specification: 142 mm length, delivered in a pack of 5 pieces. Intended for drilling metal surfaces and components where a 142 mm cutting length is required. Suitable for use with compatible drills in metal fabrication, repair, and maintenance tasks.