31 titanium drills for metal 85 titanium bits for universal applications 19 hm drills for masonry bricks etc an high quality well equipped drill bit assortment with all common as well as some special drill bits for electric electronic and tool ranges all bits made from titanium coated cv due to the titanium coating lifetime increases by up to 600 in addition you receive 31 titanium right cutting metal drills as well as 19 hm drills hard metal drills are ideally suited for drilling