HSS Step Drill 12-20mm x 1mm

Precision HSS step drill bit for clean, accurate holes in sheet metal, plastic, and soft materials. Features graduated 1mm increments from 12mm to 20mm, eliminating the need for multiple drill bits. High-speed steel construction ensures durability and heat resistance. Ideal for deburring, enlarging existing holes, and creating perfectly sized openings without splitting or tearing. Essential tool for metalworking, fabrication, and general engineering applications.