How to sharpen drill bits with a homemade tool for angle grinder Subscribe!

The Makita 70-Piece Contractor-Grade Drill Bit Set is just $36 on Amazon right now. It has black oxide-treated bits that shoppers say are “tough” and durable.

Transform your dull drill bits into sharp, metal-cutting tools with this incredibly simple DIY drill sharpening device! In this video, discover how to make a device that turns any drill into a ...