Unibit Step Drill Bit Set for Metal - 12 Sizes, M2 HSS Steel - for Steel, Copper, Aluminum, Wood, Plastic - DIYers and Metalworkers

About this item

• Versatile Heavy-Duty Cutting: Designed to handle hardened metal, mild steel, aluminum, copper, plastic, wood, and more—effective on materials up to 12ga/2.7mm thickness.
• Fast, Clean, & Easy Drilling: Precision CNC processing and optimized design ensure smoother, faster, and cleaner cuts than standard step bits on the market.
• Robust M2 HSS Design: Designed with an increased content of Tungsten by 50% and Molybdenum by 150%, this step drill guarantees extended life. Further improved through vacuum heat treatment and surface hardening via Nitride for superior performance.
• 12 Hole Sizes in One Bit: Drill 12 different hole sizes with one step bit, from 3/16” to 7/8”, saving time and effort without needing multiple bits.
• No Pauses Needed: Polished steps and highlighted sizes allow you to see the hole size during drilling, eliminating the need to stop and check, saving you valuable time.