HSS Step Drills

• Premium quality product for professional use
• Manufactured from high-grade High Speed Steel for durability
• Titanium Nitride coating for long life
• Precision ground multi-flute cutting edges for burr-free holes
• Self-centring point eliminates the need to pre-punch
• For controlled drilling of accurate and concentric holes in steel, non-ferrous metals and hard plastics up to 10mm thick
• Ideal for drilling sheet metal or enlarging existing holes
• Cylindrical shank for use in 3-Jaw drill chuck rotary drills (do not use on hammer action)