Feature(may vary by option.)

●Four spiral grooves – the design with four cutting blades guarantees faster, smoother cutting and optimal chip ejection.
●TiAlN coating - With a surface hardness of 89 HRC, rigid materials can be cut and higher cutting speeds can be achieved.
●COBALT HSS STEP DRILL - Provides excellent hardness and heat resistance. Perfect for stainless steel, metal sheets, wood, plastic, aluminum, copper and other metal sheets.
●10 levels (4-22 mm) – for pre-drilling, drilling and deburring of 4-22 mm, you only need one drill - this cone drill is a must-have in any workshop
●We want to make it as easy as possible: If you are not satisfied with our peeling drill set, you will receive your money back - up to 90 days after purchase!

[4 - 22mm]