IRWIN Step Drill Bit 4-22mm, 10 Holes

The IRWIN Step Drill Bit 4-22mm is engineered for precision drilling in thin materials, particularly sheet metal. Its single-flute design ensures maximum control while drilling, delivering perfectly round holes every time. The fluted shank minimises slippage in the chuck, while the self-centring point eliminates the need for centre punching, making it highly efficient for quick and accurate work.

Crafted from industrial-grade M7 high-speed steel, this drill bit offers durability and long-lasting performance under demanding conditions. With 10 hole sizes (4, 6, 8, 10, 12, 14, 16, 18, 20, and 22mm), it provides versatility for a variety of applications, reducing the need for multiple drill bits.

Key Features:

• Single-flute design for controlled, precise drilling
• Fluted shank prevents slippage in the chuck
• Self-centring point eliminates wandering for accurate starts
• Made from M7 high-speed steel for durability
• 10-hole size range: 4mm to 22mm in 2mm increments

Ideal for professionals and DIY enthusiasts alike, the IRWIN Step Drill Bit ensures clean, burr-free holes in sheet metal and other thin materials.