Description: Hexagon adapter with 1/2\-20UNF thread and HSS-G pilot drill bit (2 608 596 295) Key width 9,52 mm, for dia. 14 mm, 9/16\ - dia. 30 mm, 1 1/4 nHole Saw Adapter Part number 2 609 390 588 Specification 1/2\-20 UNF, 14-30 mm Product text, Accessories grey Hexagon adapter with 1/2\-20UNF thread and HSS-G pilot drill bit (2 608 596 295) Key width 9,52 mm, for dia. 14 mm, 9/16\ - dia. 30 mm, 1 1/4\