DART 3 Piece Straight Flute Step Drill Set - HSS Step Drill Bit for Metal, Sheet Metal, Stainless Steel, Steel, Cast Iron, Aluminium, Non-ferrous Metals, Plastic

Save Time with a Step Drill Bit Set: Unlike normal drill bits, a step drill bit canmake and widen holes in a wide range of sizes. Easily make clean modifications to pre-existing holes without needing to switch between different sized bits.

Clean Holes Every Time: It's easy to measure the desired diameter with the clear markings on each step of the cone drill bit. Using a DART precision engineered steel step drill bit with its straight tapered cutting edges ensures smooth de-burring or chamfering of the drilled hole.

Chatter-free & Smooth Performance: The step drill bit is made of High Speed Steel for heat and wear resistance and faster drilling. Its HSS Ground flute with a splitpoint allows for spot drilling without pre-centring. Enjoy vibration free working with our step drill bit set.

Versatile Functionality: Suitable for use on sheet metal, stainless steel, steel, cast iron, aluminium, non-ferrous metals and plastic. After using, remove shavings from your stepped drill bit with a soft rag to to keep it in top condition.

Designed to Fit Whatever Brand You Use: We carefully design DART power tool accessories to fit every tool brand. The step drill bit set contains 4-12mm, 4-20mm, and 4-30mm bits.