Baban 6 Pcs 1/4'' Hex Shank HSS 5 Flute Countersink Drill Bit Set 90 Degree For Wood Quick Change Bit 6mm-19mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Material - High Speed Steels; Size - 6mm(1/4'')， 8mm(5/16'')， 9mm(3/8'')， 12mm(1/2'')， 16mm(5/8'')， 19mm(3/4'').</li><li>Application - Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings.</li><li>A Chatter-Free，five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.</li><li>Suitable for - Ideal for Wooden planks，Fiberboard，Particle board，Plywood，Plastic，Alumiumn Board ，Pcb Board etc.</li><li>1/4″ hex shank countersinks are fine for a quick drill. They don’t slip in drill chucks.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41YWl6QLdOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51sXfKj5YDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zYq-480IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/3118B-Qb9yL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Kc0J3dhyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gCAhC6iTL.jpg" noproxy>