What's in the Set: This premium 4-piece Countersink Drill Bit Set includes M2 HSS tapered pilot bits in 7/64"×3/8", 1/8"×3/8", 9/64"×3/8", and 5/32"×3/8", 1 screwdriver + 1 drill bit
Top-Quality Materials: Made from durable M2 HSS, each pilot drill of the drill set features a helical chip design for fast, clean cutting; Sharp HCS edges of the drill bits deliver smooth countersinks and counterbores, perfectly suited for 82° screws (U.S. standard)
Adjustable Depth Control: Easily customize drilling and countersinking depth with hex screws and adjustable stops—giving you precise control for every project
Versatile Use: Drill bits for metal works on wood, MDF, particle board, plywood, aluminum, non-ferrous metals, and decorative materials; This drill bit is ideal for all your woodworking and drilling needs
Pro Tip: For best results and clean edges, run countersinks at a slow 200 RPM
