Description of π© Luckyway Titanium 3-in-1 Drilling Set
A MULTI-PURPOSE - Stepped structure, Size Includes: Bit #1(13 steps): 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"; Bit #2 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"; Bit #3 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2". APPLICATION - Ideal for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersink. HIGH SPEED STEEL TITANIUM COATING - Industry grade fully ground high speed steel with titanium coating reduces friction and drills with less heat,which ensures strong wear-resistance and durability. WE ARE DIFFERENT - The spiral groove is sharper than the straight groove, which can reduce the cutting resistance, strengthen the cutting groove, and effectively block the metal splash caused by damage.135Β° split point not only promises cutting speed,but also prevents slipping when start drilling. Quick change 1/4-inch hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools.