Fein Drill Bits & Parts Tap drill bit set 630113 - Fein 63127089015, Manufactured by Fein, the HM-Ultra 35 QuickIN Tap drill bit set 63127089015 is a 15 mm drill attachment. It features robust construction for precise drilling applications. Ideal for professionals, it's designed to enhance efficiency in metalworking tasks. Fein 63127089015 HM-Ultra Drill Bit Set 15mm 1 piece Highest Durability