STROTON Metric M42 8% Cobalt Drill Bits Independent Packaging of Each Specification for Stainless Steel and Hard Metal (1.5mmx5pcs) : Amazon.co.uk: DIY & Tools
13Pack HSS Twist Drill Bit Set Metric M35 Cobalt Steel High Speed Steel Titanium Coated Drill Bit Tool Extremely Heat Resistant with Straight Shank 1.5mm-6.5mm for Drilling Tool Wood, Metal & Plastic :
Erbauer Round Shank Metal Cobalt HSS Drill Bit 4mm x 75mm - Screwfix