GMTOOLS 5PCS Countersink Drill Bit Set, High Speed Steel Countersink Bits, 82 Degree 5 Flute Pieces, 1/4 Inch Hex Shank, Fit for Sink Holes into($13.99Value)

Description

SIZE AND PACKAGING: Comes in 5 of the most popular drill sizes: 1/4, 3/8, 1/2, 5/8, and 3/4 inch counter sink drill bits. FUNCTION: Countersink drills can be used to drill holes in most workable metals, plywood, softwoods, hardwoods, fiberglass plastics and mild steel.Tip: Chamfering on metal requires pre-punched holes first. ADVANTAGE: Each countersink drill is well designed in five-blade with 82-degree, which can reduces vibration and removes chip better, provides smoother drilling experience and extended bit life. MATERIAL: Metal countersink bits are made of industrial grade high speed steel for durability and each countersink is coated with a black oxide coating to prevent corrosion. COMPATIBILITY: 1/4″ hex shank countersinks are fine for all handheld and stationary drills. They don’t slip in drill chucks. GMTOOLS Countersink Drill Bit Set 5PCS