Dremel 636 Wood Drill Bit Set 4 pcs The Dremel wood drill bit set contains 4 drill bits with centering point for drilling into wood. The different drilling diameters included are 3, 4, 5 and 6 mm. The titanium coating offers high performance and longer lifetime. Technical specifications Shank diameter: 3.2 mm Usage: Unique Dremel Titanium wood drill bits Maximum Speed: 35000 rpm Quantity: 4pcs  Drill bit Dia.: 3, 4, 5 and 6 mm.   Part number 26150636JA