KWB 1 mm in Diameter Metal Drill Bit HSS-E 248610, 4216-00 - - Amazon.com
BGS Bohrer-Satz TLG 6801, HSS Drill bit Set, 10-11-12-13-15 mm, 5 Pieces - - Amazon.com
Bosch Professional 260925C130 HSS Spiralbohrer Wood (für Metall und Holz, Ø 3 mm, Länge 93 mm, Zubehör Bohrmaschine) Spiral Bit, Diameter, Length, Accessory Drills - - Amazon.com