Countersink Drill Bit Set, 5 Flute Pcs for Wood, Plywood, Plastic, Mild Steel w/ Aluminum Case

Countersink bits are constructed from industrial-grade high-speed HSS424 steel for enhanced durability.Five-Flute design reduces vibration for smoother drilling and extended life.The countersink drill bit comes in 5 sizes: 1/4, 3/8, 1/2, 5/8, 3/4 inch, including a aluminum tool storage box, making it easy to select the size and carry it with you. 1/4in hex shank countersinks are fine for all handheld and stationary drills.Countersink bit set can be used to drill holes in most workable metals including plywoods, woods, plastics, and mild steel.This countersink drill bit excels in deburring, chamfering and countersinking tasks across a variety of projects.Chamfering on metal requires pre-punched holes first.Precision grinding 82 degrees countersink drill bit set.These countersink drill bits are designed for heavy-duty use, creating precise countersink holes that enable screw heads to sit flush and smoothly against the surface of the material.