PTI HSS Tin-Coated Step Drill with 1/4" Hex Fitting

Size Range: 4mm - 12mm, 6mm-20mm and 6mm-30mm
Material: High-speed steel (HSS), Tin coated
Shank Type: 1/4” Hex Drive
Features: Self-starting with multiple hole sizes Ideal for drilling thin, rigid materials like sheet metal Provides a chamfered edge and smooth finish

The PTI HSS Tin-Coated Step Drills are designed for versatile drilling in a range of sizes with a single bit.