HSS M2 Step Drill Bit 4-22mm Double Flute

The Sealey 4mm-22mm Double Fluted HSS M2 Step Drill Bit (Model No. AK4722) provides ten precise hole size options in a compact format, making it perfect for standard electrical and sheet metal applications. This variant covers the most commonly required hole sizes for everyday drilling tasks, from small pilot holes through to 22mm openings. Constructed from high-speed steel M2 material, this step drill features double straight flutes that deliver efficient swarf clearance, preventing material build-up and ensuring clean, accurate holes every time. The 4mm-22mm range is particularly suited to cable gland installation, junction box mounting, and general metalworking projects where quick hole sizing is essential. Features and Benefits: • Hole sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm • High-speed HSS M2 double flute construction • Double straight flutes for clog-free precision drilling • Efficient swarf clearance for cleaner operation • Supplied in protective plastic storage case • Ide