What type of drill bit do I need for metal?

The best drill bits and types to use

Power Tools 100% Satisfaction HSS M35 Jobber Twist Cobalt Drill Bits for Metal, Stainless Steel - China Drill Bit, Twist Drill Bit

ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped

The Complete Guide of Carbide Drill Bits Guide -SPEED TIGER

What are diamond drill bits?

Finding The Best Drill Bits For Hardened Steel

Specialty Drill Bit Types – How to Choose the Right Specialty Drill Bit - Vermont American

HSS Cobalt Drill Bit Set 5/16 Inch 5Pcs M35 Co Twist Jobber Length Steel Metal Drill Bits

Best Drill Bits for Hardened Steel

Types of Drill Bits - The Home Depot

Which Drill Bit Brand is Best? Let's find out!

DEWALT High Speed Steel Brad-Point Drill Bit Set (6-Piece) DW1720 - The Home Depot

Knoweasy 3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch,4-12mm/4-20mm/4-32mm Drill Bits Set for Sheet Metal Hole

What Drill Bit For Metal? A Beginners Guide

Guide to Types of Drill Bits