Lenox (135) 30884VB4 Lenox Vari-Bit VB4 Step Drill Bits, 3/16-inch to 1/2-inch (30884VB4)

30884VB4 Vari-bit Step Drill Bit. 3/16" (4.8mm) - 1/2" (12.7mm). This Lenox 30884VB4 is a 1-piece Step Drill Bit. It features a split point drill, which ensures that the drill penetrates the surface easily (less walking). Designed with double flutes, this drilling bit produces a precise and a clean hole through metals without a burr. Even with just a single bit, this tool can drill up to 6 different hole sizes. Its steam oxide coating enhances its durability for longer use. It is also recommended to use Lenox Protool Lube to prolong its life. The shank size of this step drill bit is 1/4". This 30884VB4 drill bit is one of Lenox's reliable tools that provides the convenience you need without spending a lot of extra effort and time normally associated with lower quality drilling bits.