Sealey Double Fluted HSS M2 Step Drill Bit

The Sealey 4mm-30mm Double Fluted HSS M2 Step Drill Bit (Model No. AK4732) offers extended versatility with fourteen hole size options, making it the ideal choice for professionals requiring a broader range of drilling capabilities. This larger variant provides hole sizes from 4mm-30mm in convenient 2mm increments, accommodating more demanding applications and larger component installations. Manufactured from high-speed steel M2 with double straight flutes, this step drill ensures efficient swarf clearance and clog-free operation throughout its extended size range. The 4mm-30mm capacity makes it particularly valuable for HVAC installations, larger cable gland fittings, and heavy-duty metalworking projects where precision and versatility are paramount.