Item No.: P09Y124
.TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. 
.135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking；
.TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily；
.1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill；
.13 STEP SIZES: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2".