Lenox 30912VB12 Lenox Vari-Bit VB12 Step Drill Bits, 7/8-inch to 1 3/8-inch (30912VB12)

30912VB12 VARI-BIT Step Drill Bit 7/8” – 1-3/8”. Patented 2-Flute Design cuts fast, clean, burr-free, round holes. Split Point Design starts on contact for fast penetration and less walking. Steam Oxide Coating improves durability for longer tool life. Enhanced Flute Design for more rapid chip removal. 5 Steps: 7/8″, 1-1/8″, 1-7/32″, 1-1/4″ and 1-3/8″.