This versatile step drill bit offers precision cutting from 3/16" to 7/8" diameter, making it an essential tool for metalworking projects. Crafted from high-speed steel with a durable black oxide finish, this spiral flute bit delivers clean, accurate holes in metal surfaces. The hex shank design ensures secure tool holding and prevents slipping during operation. Its stepped design allows you to drill multiple hole sizes with a single bit, saving time and reducing the need for bit changes. The spiral flute configuration helps efficiently clear metal chips during drilling, while the precise cutting angles ensure smooth results.