vector tools Premium 12 Shank Silver and Deming Drill Bit High Speed Steel 8Piece Set 916 to 1

Premium high speed steel construction for proven capability and durability to drill holes in plastic, aluminum, copper, stainless steel and many other types of materials., 135° Split point design increases cutting speed with self-centering feature and prevents walking or wobbling., 1/2 Inch reduced shank, Unique black and gold dual finish holds lubricant for smoother drilling and provides maximum corrosion resistance., Set includes 8 popular sizes and comes in a heavy duty aluminum organizing case for secure storage and easy carrying: 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16 and 1 in.