0.2mm to 0.5mm(7 Sizes) Drill Bits for 3D Printer Nozzle Cleaning Kit|drill bit|drilled rotorsdrill bit aluminum - AliExpress
KWB - HSS-G Twist DIN 338 Drill Set 19 Piece 1-10 x 0.5mm - - Amazon.com
FORMAT Spiral drill set DIN338 HSSE type TF 1.0-10.5mm increasing by 0.5mm + core hole drill FORMAT Sortiment / Werkzeuge / Monozerspanung / Spiralbohrer / HSS Co5-Spiralbohrer-Satz, DIN 338, Typ TF, 130°, nitriert 4317784597661
Mini Bohrer Modellbau & Industrie » Micro Spiralbohrer HSS von Ø 0,20 bis 3,05 mm