Spiral drill high-quality metal drill, shaft and drill spiral are made of the full material, not plugged Quick changeover fits on any universal bit holder hexagonal shaft, optimal form fit even with conventional 3-jaw drill chuck, use: for drilling steel alloyed and unalloyed, thin-walled material, ideal for assembly work up to 800 N/mm². Packaging: loose in X-pack each 10 pieces up to ..; 8; 5 pieces each. Note: Ideal for cordless screwdrivers thanks to special 10 pieces 4/4 inch 6-Kant shaft E 6.3