6pcs/set M3-M10 HSS Titanium-plated Tap Drill Metric Thread Multi-function Drill Tapping Chamfer Integrated Composite Tap Drill 6pcs/set M3-M10 HSS Titanium-plated Tap Drill Metric Thread Multi-function Drill Tapping Chamfer Integrated Composite Tap Drill. Sale price : $7.44 Category : Tools