Best High Speed Drill Bits

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

DEWALT Drill Bit Set, 14-Piece, 135 Degree Split Point, For Plastic, Wood and Metal (DWA1184)

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 Up Bits for DIY Lovers

GMTOOLS 29Pcs Cobalt Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2"

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

COMOWARE Step Drill Bit Set 5-Piece Titanium-Coated with Automatic Center Punch - Short Length, Double Cutting Blades, High-Speed Steel - Covering 50 Sizes, Complete with Aluminum Case

COMOWARE Titanium Twist Drill Bit Set - 13 Pcs Hex Shank High Speed Steel for Wood Plastic Aluminum Alloy, Quick Change, 1/16"-1/4"

ASNOMY 12PCS TCT Hole Saw Kit for Hard Metal, 5/8"-2-1/8" Inch Tungsten Carbide Tipped Hole Cutter Set with Titanium-Plated Pilot Drill bit for Metal, Stainless Steel, Iron, Wood, Plastic

MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16"-1/4"