How to tell if drill bit is for metal or wood

Woodworking Drill Bit Guide - Finding the Best Bit for the Job

Are these wood-boring, or metal-boring drill bits? Does it matter? Picked these up at an estate sale years ago and there isn't much info beyond Made in Austria. : r/Tools

TESTED Drillpro M35 Cobalt HSS Twist Drill Bits for Stainless Steel, Wood and Metal. Drilling Stumps

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How to Tell If a Drill Bit Is for Metal

Bosch 14-Piece Metal Drill Bit Set

Metal Drill Bit vs Wood: Identification and Usage Guide

How to Tell If a Drill Bit Is for Metal

How to install a Blink Doorbell on Steel Door