RUKO 215215 HSSE-Co 5 Twist Drill Set, DIN 338, 25 Pieces: Amazon.com: Tools & Home Improvement
5 pieces diameter 3.5 mm HSS Co 5% cobalt spiral drill/metal drill bit DIN 338 – drill / steel drill 135° point angle and split point : Amazon.de: DIY & Tools
Bosch 2608585886 Metal Drill Bit Hss-Co 5, 1mmx52mmx3.39In 10 Pcs - - Amazon .com
Hitachi 752082 ZKBF Drill Chuck 10 mm and Hex Adapter 1/4 inch - - Amazon .com
Bosch 2608585936 10.0mmx3.43"x5.24" Metal Drill Bit HSS-G - - Amazon.com